Finding the Fourth Proportional to 3,382,311.87, 4,667,781.12 and 2,006,470.17
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Solution
The fourth proportional to 3,382,311.87, 4,667,781.12 and 2,006,470.17 is: 2,769,041.99
Step by Step Solution
- Step 1: Write the proportion equation
3,382,311.87 : 4,667,781.12 = 2,006,470.17 : x - Step 2: Convert to fraction form
3,382,311.87/4,667,781.12 = 2,006,470.17/x - Step 3: Cross multiply
3,382,311.87x = 4,667,781.12 × 2,006,470.17 - Step 4: Simplify right side
3,382,311.87x = 9,365,763,577,369.19 - Step 5: Solve for x
x = 9,365,763,577,369.19/3,382,311.87 - Step 6: Final answer
x = 2,769,041.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.