Finding the Fourth Proportional to 3,998,526.71, 5,512,227.66 and 2,850,614.15
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Solution
The fourth proportional to 3,998,526.71, 5,512,227.66 and 2,850,614.15 is: 3,929,755.96
Step by Step Solution
- Step 1: Write the proportion equation
3,998,526.71 : 5,512,227.66 = 2,850,614.15 : x - Step 2: Convert to fraction form
3,998,526.71/5,512,227.66 = 2,850,614.15/x - Step 3: Cross multiply
3,998,526.71x = 5,512,227.66 × 2,850,614.15 - Step 4: Simplify right side
3,998,526.71x = 15,713,234,165,617.39 - Step 5: Solve for x
x = 15,713,234,165,617.39/3,998,526.71 - Step 6: Final answer
x = 3,929,755.96
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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.