Finding the Fourth Proportional to 7,204,691.68, 10,807,035.36 and 2,715,917.92
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Solution
The fourth proportional to 7,204,691.68, 10,807,035.36 and 2,715,917.92 is: 4,073,876.07
Step by Step Solution
- Step 1: Write the proportion equation
7,204,691.68 : 10,807,035.36 = 2,715,917.92 : x - Step 2: Convert to fraction form
7,204,691.68/10,807,035.36 = 2,715,917.92/x - Step 3: Cross multiply
7,204,691.68x = 10,807,035.36 × 2,715,917.92 - Step 4: Simplify right side
7,204,691.68x = 29,351,020,996,297.65 - Step 5: Solve for x
x = 29,351,020,996,297.65/7,204,691.68 - Step 6: Final answer
x = 4,073,876.07
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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.