Finding the Fourth Proportional to 5,199,439.38, 7,172,808.36 and 3,364,490.70
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Solution
The fourth proportional to 5,199,439.38, 7,172,808.36 and 3,364,490.70 is: 4,641,432.52
Step by Step Solution
- Step 1: Write the proportion equation
5,199,439.38 : 7,172,808.36 = 3,364,490.70 : x - Step 2: Convert to fraction form
5,199,439.38/7,172,808.36 = 3,364,490.70/x - Step 3: Cross multiply
5,199,439.38x = 7,172,808.36 × 3,364,490.70 - Step 4: Simplify right side
5,199,439.38x = 24,132,847,020,102.25 - Step 5: Solve for x
x = 24,132,847,020,102.25/5,199,439.38 - Step 6: Final answer
x = 4,641,432.52
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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.