Finding the Fourth Proportional to 5,815,126.62, 8,722,687.91 and 1,555,184.21
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Solution
The fourth proportional to 5,815,126.62, 8,722,687.91 and 1,555,184.21 is: 2,332,775.77
Step by Step Solution
- Step 1: Write the proportion equation
5,815,126.62 : 8,722,687.91 = 1,555,184.21 : x - Step 2: Convert to fraction form
5,815,126.62/8,722,687.91 = 1,555,184.21/x - Step 3: Cross multiply
5,815,126.62x = 8,722,687.91 × 1,555,184.21 - Step 4: Simplify right side
5,815,126.62x = 13,565,386,455,000.54 - Step 5: Solve for x
x = 13,565,386,455,000.54/5,815,126.62 - Step 6: Final answer
x = 2,332,775.77
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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.