Finding the Fourth Proportional to 5,381,133.87, 8,067,916.19 and 2,499,441.14
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Solution
The fourth proportional to 5,381,133.87, 8,067,916.19 and 2,499,441.14 is: 3,747,403.81
Step by Step Solution
- Step 1: Write the proportion equation
5,381,133.87 : 8,067,916.19 = 2,499,441.14 : x - Step 2: Convert to fraction form
5,381,133.87/8,067,916.19 = 2,499,441.14/x - Step 3: Cross multiply
5,381,133.87x = 8,067,916.19 × 2,499,441.14 - Step 4: Simplify right side
5,381,133.87x = 20,165,281,586,521.27 - Step 5: Solve for x
x = 20,165,281,586,521.27/5,381,133.87 - Step 6: Final answer
x = 3,747,403.81
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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.