Finding the Fourth Proportional to 7,162,656.87, 10,747,717.79 and 3,172,635.75
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Solution
The fourth proportional to 7,162,656.87, 10,747,717.79 and 3,172,635.75 is: 4,760,606.89
Step by Step Solution
- Step 1: Write the proportion equation
7,162,656.87 : 10,747,717.79 = 3,172,635.75 : x - Step 2: Convert to fraction form
7,162,656.87/10,747,717.79 = 3,172,635.75/x - Step 3: Cross multiply
7,162,656.87x = 10,747,717.79 × 3,172,635.75 - Step 4: Simplify right side
7,162,656.87x = 34,098,593,675,601.81 - Step 5: Solve for x
x = 34,098,593,675,601.81/7,162,656.87 - Step 6: Final answer
x = 4,760,606.89
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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.