Finding the Fourth Proportional to 1,471,881.19, 2,207,821.96 and 461,081.92
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Solution
The fourth proportional to 1,471,881.19, 2,207,821.96 and 461,081.92 is: 691,622.93
Step by Step Solution
- Step 1: Write the proportion equation
1,471,881.19 : 2,207,821.96 = 461,081.92 : x - Step 2: Convert to fraction form
1,471,881.19/2,207,821.96 = 461,081.92/x - Step 3: Cross multiply
1,471,881.19x = 2,207,821.96 × 461,081.92 - Step 4: Simplify right side
1,471,881.19x = 1,017,986,777,295.85 - Step 5: Solve for x
x = 1,017,986,777,295.85/1,471,881.19 - Step 6: Final answer
x = 691,622.93
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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.