Finding the Fourth Proportional to 5,591,446.20, 8,387,169.30 and 4,581,708.30
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Solution
The fourth proportional to 5,591,446.20, 8,387,169.30 and 4,581,708.30 is: 6,872,562.45
Step by Step Solution
- Step 1: Write the proportion equation
5,591,446.20 : 8,387,169.30 = 4,581,708.30 : x - Step 2: Convert to fraction form
5,591,446.20/8,387,169.30 = 4,581,708.30/x - Step 3: Cross multiply
5,591,446.20x = 8,387,169.30 × 4,581,708.30 - Step 4: Simplify right side
5,591,446.20x = 38,427,563,195,315.19 - Step 5: Solve for x
x = 38,427,563,195,315.19/5,591,446.20 - Step 6: Final answer
x = 6,872,562.45
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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.