Finding the Fourth Proportional to 1,609,942.12, 2,414,888.57 and 411,854.31
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Solution
The fourth proportional to 1,609,942.12, 2,414,888.57 and 411,854.31 is: 617,775.17
Step by Step Solution
- Step 1: Write the proportion equation
1,609,942.12 : 2,414,888.57 = 411,854.31 : x - Step 2: Convert to fraction form
1,609,942.12/2,414,888.57 = 411,854.31/x - Step 3: Cross multiply
1,609,942.12x = 2,414,888.57 × 411,854.31 - Step 4: Simplify right side
1,609,942.12x = 994,582,266,753.87 - Step 5: Solve for x
x = 994,582,266,753.87/1,609,942.12 - Step 6: Final answer
x = 617,775.17
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1.5x scale
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.