Finding the Fourth Proportional to 5,561,461.11, 8,339,143.84 and 1,722,217.71
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Solution
The fourth proportional to 5,561,461.11, 8,339,143.84 and 1,722,217.71 is: 2,582,382.75
Step by Step Solution
- Step 1: Write the proportion equation
5,561,461.11 : 8,339,143.84 = 1,722,217.71 : x - Step 2: Convert to fraction form
5,561,461.11/8,339,143.84 = 1,722,217.71/x - Step 3: Cross multiply
5,561,461.11x = 8,339,143.84 × 1,722,217.71 - Step 4: Simplify right side
5,561,461.11x = 14,361,821,244,139.13 - Step 5: Solve for x
x = 14,361,821,244,139.13/5,561,461.11 - Step 6: Final answer
x = 2,582,382.75
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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.