Finding the Fourth Proportional to 5,432,882.10, 8,149,323.15 and 1,646,553.30
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Solution
The fourth proportional to 5,432,882.10, 8,149,323.15 and 1,646,553.30 is: 2,469,829.95
Step by Step Solution
- Step 1: Write the proportion equation
5,432,882.10 : 8,149,323.15 = 1,646,553.30 : x - Step 2: Convert to fraction form
5,432,882.10/8,149,323.15 = 1,646,553.30/x - Step 3: Cross multiply
5,432,882.10x = 8,149,323.15 × 1,646,553.30 - Step 4: Simplify right side
5,432,882.10x = 13,418,294,925,398.90 - Step 5: Solve for x
x = 13,418,294,925,398.90/5,432,882.10 - Step 6: Final answer
x = 2,469,829.95
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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.