Finding the Fourth Proportional to 4,024,732.79, 5,553,626.06 and 2,720,821.19
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Solution
The fourth proportional to 4,024,732.79, 5,553,626.06 and 2,720,821.19 is: 3,754,391.71
Step by Step Solution
- Step 1: Write the proportion equation
4,024,732.79 : 5,553,626.06 = 2,720,821.19 : x - Step 2: Convert to fraction form
4,024,732.79/5,553,626.06 = 2,720,821.19/x - Step 3: Cross multiply
4,024,732.79x = 5,553,626.06 × 2,720,821.19 - Step 4: Simplify right side
4,024,732.79x = 15,110,423,444,418.13 - Step 5: Solve for x
x = 15,110,423,444,418.13/4,024,732.79 - Step 6: Final answer
x = 3,754,391.71
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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.