Finding the Fourth Proportional to 5,152,586.22, 7,728,872.85 and 1,956,948.30
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Solution
The fourth proportional to 5,152,586.22, 7,728,872.85 and 1,956,948.30 is: 2,935,419.99
Step by Step Solution
- Step 1: Write the proportion equation
5,152,586.22 : 7,728,872.85 = 1,956,948.30 : x - Step 2: Convert to fraction form
5,152,586.22/7,728,872.85 = 1,956,948.30/x - Step 3: Cross multiply
5,152,586.22x = 7,728,872.85 × 1,956,948.30 - Step 4: Simplify right side
5,152,586.22x = 15,125,004,584,723.65 - Step 5: Solve for x
x = 15,125,004,584,723.65/5,152,586.22 - Step 6: Final answer
x = 2,935,419.99
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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.