Finding the Fourth Proportional to 6,390,821.75, 9,586,429.46 and 2,794,737.65
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Solution
The fourth proportional to 6,390,821.75, 9,586,429.46 and 2,794,737.65 is: 4,192,192.55
Step by Step Solution
- Step 1: Write the proportion equation
6,390,821.75 : 9,586,429.46 = 2,794,737.65 : x - Step 2: Convert to fraction form
6,390,821.75/9,586,429.46 = 2,794,737.65/x - Step 3: Cross multiply
6,390,821.75x = 9,586,429.46 × 2,794,737.65 - Step 4: Simplify right side
6,390,821.75x = 26,791,555,340,931.17 - Step 5: Solve for x
x = 26,791,555,340,931.17/6,390,821.75 - Step 6: Final answer
x = 4,192,192.55
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1.5x scale
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.