Finding the Fourth Proportional to 1,755,635.90, 2,423,821.66 and 1,111,608.14
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Solution
The fourth proportional to 1,755,635.90, 2,423,821.66 and 1,111,608.14 is: 1,534,680.33
Step by Step Solution
- Step 1: Write the proportion equation
1,755,635.90 : 2,423,821.66 = 1,111,608.14 : x - Step 2: Convert to fraction form
1,755,635.90/2,423,821.66 = 1,111,608.14/x - Step 3: Cross multiply
1,755,635.90x = 2,423,821.66 × 1,111,608.14 - Step 4: Simplify right side
1,755,635.90x = 2,694,339,872,266.18 - Step 5: Solve for x
x = 2,694,339,872,266.18/1,755,635.90 - Step 6: Final answer
x = 1,534,680.33
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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.