Finding the Fourth Proportional to 3,747,355.68, 5,171,353.92 and 2,028,470.88
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Solution
The fourth proportional to 3,747,355.68, 5,171,353.92 and 2,028,470.88 is: 2,799,291.48
Step by Step Solution
- Step 1: Write the proportion equation
3,747,355.68 : 5,171,353.92 = 2,028,470.88 : x - Step 2: Convert to fraction form
3,747,355.68/5,171,353.92 = 2,028,470.88/x - Step 3: Cross multiply
3,747,355.68x = 5,171,353.92 × 2,028,470.88 - Step 4: Simplify right side
3,747,355.68x = 10,489,940,836,893.85 - Step 5: Solve for x
x = 10,489,940,836,893.85/3,747,355.68 - Step 6: Final answer
x = 2,799,291.48
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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.