Step 1:
The first step to converting 3945620.9625822 to a fraction is to re-write 3945620.9625822 in the form p/q where p and q are both positive integers. To start with, 3945620.9625822 can be written as simply 3945620.9625822/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 3945620.9625822, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 3945620.9625822/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 3945620.9625822/1 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 3945620.9625822 as a fraction:
3945620/1 / 1