Finding the Fourth Proportional to 5,741,641.18, 8,612,175.57 and 2,147,143.87
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Solution
The fourth proportional to 5,741,641.18, 8,612,175.57 and 2,147,143.87 is: 3,220,608.78
Step by Step Solution
- Step 1: Write the proportion equation
5,741,641.18 : 8,612,175.57 = 2,147,143.87 : x - Step 2: Convert to fraction form
5,741,641.18/8,612,175.57 = 2,147,143.87/x - Step 3: Cross multiply
5,741,641.18x = 8,612,175.57 × 2,147,143.87 - Step 4: Simplify right side
5,741,641.18x = 18,491,579,982,489.26 - Step 5: Solve for x
x = 18,491,579,982,489.26/5,741,641.18 - Step 6: Final answer
x = 3,220,608.78
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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.