Finding the Fourth Proportional to 5,553,357.72, 8,331,079.34 and 2,520,936.42
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Solution
The fourth proportional to 5,553,357.72, 8,331,079.34 and 2,520,936.42 is: 3,781,877.99
Step by Step Solution
- Step 1: Write the proportion equation
5,553,357.72 : 8,331,079.34 = 2,520,936.42 : x - Step 2: Convert to fraction form
5,553,357.72/8,331,079.34 = 2,520,936.42/x - Step 3: Cross multiply
5,553,357.72x = 8,331,079.34 × 2,520,936.42 - Step 4: Simplify right side
5,553,357.72x = 21,002,121,332,417.90 - Step 5: Solve for x
x = 21,002,121,332,417.90/5,553,357.72 - Step 6: Final answer
x = 3,781,877.99
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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.