Finding the Fourth Proportional to 6,474,614.10, 9,711,921.15 and 2,213,366.10
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Solution
The fourth proportional to 6,474,614.10, 9,711,921.15 and 2,213,366.10 is: 3,320,049.15
Step by Step Solution
- Step 1: Write the proportion equation
6,474,614.10 : 9,711,921.15 = 2,213,366.10 : x - Step 2: Convert to fraction form
6,474,614.10/9,711,921.15 = 2,213,366.10/x - Step 3: Cross multiply
6,474,614.10x = 9,711,921.15 × 2,213,366.10 - Step 4: Simplify right side
6,474,614.10x = 21,496,037,039,283.02 - Step 5: Solve for x
x = 21,496,037,039,283.02/6,474,614.10 - Step 6: Final answer
x = 3,320,049.15
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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.