Finding the Fourth Proportional to 5,107,498.29, 7,048,402.17 and 2,815,740.99
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Solution
The fourth proportional to 5,107,498.29, 7,048,402.17 and 2,815,740.99 is: 3,885,752.63
Step by Step Solution
- Step 1: Write the proportion equation
5,107,498.29 : 7,048,402.17 = 2,815,740.99 : x - Step 2: Convert to fraction form
5,107,498.29/7,048,402.17 = 2,815,740.99/x - Step 3: Cross multiply
5,107,498.29x = 7,048,402.17 × 2,815,740.99 - Step 4: Simplify right side
5,107,498.29x = 19,846,474,904,073.95 - Step 5: Solve for x
x = 19,846,474,904,073.95/5,107,498.29 - Step 6: Final answer
x = 3,885,752.63
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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.