Finding the Fourth Proportional to 3,413,402.29, 5,117,097.39 and 1,393,344.10
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Solution
The fourth proportional to 3,413,402.29, 5,117,097.39 and 1,393,344.10 is: 2,088,789.09
Step by Step Solution
- Step 1: Write the proportion equation
3,413,402.29 : 5,117,097.39 = 1,393,344.10 : x - Step 2: Convert to fraction form
3,413,402.29/5,117,097.39 = 1,393,344.10/x - Step 3: Cross multiply
3,413,402.29x = 5,117,097.39 × 1,393,344.10 - Step 4: Simplify right side
3,413,402.29x = 7,129,877,457,481.90 - Step 5: Solve for x
x = 7,129,877,457,481.90/3,413,402.29 - Step 6: Final answer
x = 2,088,789.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.