Finding the Fourth Proportional to 2,581,129.85, 3,868,207.09 and 982,821.05
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Solution
The fourth proportional to 2,581,129.85, 3,868,207.09 and 982,821.05 is: 1,472,903.55
Step by Step Solution
- Step 1: Write the proportion equation
2,581,129.85 : 3,868,207.09 = 982,821.05 : x - Step 2: Convert to fraction form
2,581,129.85/3,868,207.09 = 982,821.05/x - Step 3: Cross multiply
2,581,129.85x = 3,868,207.09 × 982,821.05 - Step 4: Simplify right side
2,581,129.85x = 3,801,755,332,013.16 - Step 5: Solve for x
x = 3,801,755,332,013.16/2,581,129.85 - Step 6: Final answer
x = 1,472,903.55
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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.