Finding the Fourth Proportional to 5,225,799.97, 7,211,718.17 and 2,871,028.09
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Solution
The fourth proportional to 5,225,799.97, 7,211,718.17 and 2,871,028.09 is: 3,962,081.51
Step by Step Solution
- Step 1: Write the proportion equation
5,225,799.97 : 7,211,718.17 = 2,871,028.09 : x - Step 2: Convert to fraction form
5,225,799.97/7,211,718.17 = 2,871,028.09/x - Step 3: Cross multiply
5,225,799.97x = 7,211,718.17 × 2,871,028.09 - Step 4: Simplify right side
5,225,799.97x = 20,705,045,443,233.39 - Step 5: Solve for x
x = 20,705,045,443,233.39/5,225,799.97 - Step 6: Final answer
x = 3,962,081.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.