Finding the Fourth Proportional to 5,752,044.20, 7,937,987.17 and 3,173,891.04
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Solution
The fourth proportional to 5,752,044.20, 7,937,987.17 and 3,173,891.04 is: 4,380,061.33
Step by Step Solution
- Step 1: Write the proportion equation
5,752,044.20 : 7,937,987.17 = 3,173,891.04 : x - Step 2: Convert to fraction form
5,752,044.20/7,937,987.17 = 3,173,891.04/x - Step 3: Cross multiply
5,752,044.20x = 7,937,987.17 × 3,173,891.04 - Step 4: Simplify right side
5,752,044.20x = 25,194,306,354,497.96 - Step 5: Solve for x
x = 25,194,306,354,497.96/5,752,044.20 - Step 6: Final answer
x = 4,380,061.33
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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.