Step 1:
The first step to converting 3687807.142171 to a fraction is to re-write 3687807.142171 in the form p/q where p and q are both positive integers. To start with, 3687807.142171 can be written as simply 3687807.142171/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 3687807.142171, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 3687807.142171/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 3687807.142171/1 each by 1000000:
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 3687807.142171 as a fraction:
3687807/1 / 1