Finding the Fourth Proportional to 2,423,821.12, 3,631,190.92 and 2,174,265.28
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Solution
The fourth proportional to 2,423,821.12, 3,631,190.92 and 2,174,265.28 is: 3,257,324.68
Step by Step Solution
- Step 1: Write the proportion equation
2,423,821.12 : 3,631,190.92 = 2,174,265.28 : x - Step 2: Convert to fraction form
2,423,821.12/3,631,190.92 = 2,174,265.28/x - Step 3: Cross multiply
2,423,821.12x = 3,631,190.92 × 2,174,265.28 - Step 4: Simplify right side
2,423,821.12x = 7,895,172,341,510.58 - Step 5: Solve for x
x = 7,895,172,341,510.58/2,423,821.12 - Step 6: Final answer
x = 3,257,324.68
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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.