Finding the Fourth Proportional to 5,815,115.18, 8,722,670.70 and 1,555,172.68
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Solution
The fourth proportional to 5,815,115.18, 8,722,670.70 and 1,555,172.68 is: 2,332,758.47
Step by Step Solution
- Step 1: Write the proportion equation
5,815,115.18 : 8,722,670.70 = 1,555,172.68 : x - Step 2: Convert to fraction form
5,815,115.18/8,722,670.70 = 1,555,172.68/x - Step 3: Cross multiply
5,815,115.18x = 8,722,670.70 × 1,555,172.68 - Step 4: Simplify right side
5,815,115.18x = 13,565,259,169,276.47 - Step 5: Solve for x
x = 13,565,259,169,276.47/5,815,115.18 - Step 6: Final answer
x = 2,332,758.47
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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.