Finding the Fourth Proportional to 6,134,608.10, 9,201,912.15 and 1,647,337.70
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Solution
The fourth proportional to 6,134,608.10, 9,201,912.15 and 1,647,337.70 is: 2,471,006.55
Step by Step Solution
- Step 1: Write the proportion equation
6,134,608.10 : 9,201,912.15 = 1,647,337.70 : x - Step 2: Convert to fraction form
6,134,608.10/9,201,912.15 = 1,647,337.70/x - Step 3: Cross multiply
6,134,608.10x = 9,201,912.15 × 1,647,337.70 - Step 4: Simplify right side
6,134,608.10x = 15,158,656,796,783.05 - Step 5: Solve for x
x = 15,158,656,796,783.05/6,134,608.10 - Step 6: Final answer
x = 2,471,006.55
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Double scale
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Similar ratio
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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.