Step 1:
The first step to converting 4789121.5641644 to a fraction is to re-write 4789121.5641644 in the form p/q where p and q are both positive integers. To start with, 4789121.5641644 can be written as simply 4789121.5641644/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 4789121.5641644, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 4789121.5641644/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 4789121.5641644/1 each by 10000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 4789121.5641644 as a fraction:
4789121/1 / 1