Finding the Fourth Proportional to 3,672,000.86, 5,508,935.62 and 2,156,965.11
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Solution
The fourth proportional to 3,672,000.86, 5,508,935.62 and 2,156,965.11 is: 3,235,996.50
Step by Step Solution
- Step 1: Write the proportion equation
3,672,000.86 : 5,508,935.62 = 2,156,965.11 : x - Step 2: Convert to fraction form
3,672,000.86/5,508,935.62 = 2,156,965.11/x - Step 3: Cross multiply
3,672,000.86x = 5,508,935.62 × 2,156,965.11 - Step 4: Simplify right side
3,672,000.86x = 11,882,581,920,183.80 - Step 5: Solve for x
x = 11,882,581,920,183.80/3,672,000.86 - Step 6: Final answer
x = 3,235,996.50
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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.