Finding the Fourth Proportional to 1,625,658.72, 2,438,481.12 and 411,246.84
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Solution
The fourth proportional to 1,625,658.72, 2,438,481.12 and 411,246.84 is: 616,868.50
Step by Step Solution
- Step 1: Write the proportion equation
1,625,658.72 : 2,438,481.12 = 411,246.84 : x - Step 2: Convert to fraction form
1,625,658.72/2,438,481.12 = 411,246.84/x - Step 3: Cross multiply
1,625,658.72x = 2,438,481.12 × 411,246.84 - Step 4: Simplify right side
1,625,658.72x = 1,002,817,650,409.38 - Step 5: Solve for x
x = 1,002,817,650,409.38/1,625,658.72 - Step 6: Final answer
x = 616,868.50
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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.