Finding the Fourth Proportional to 5,454,445.68, 7,527,183.75 and 3,007,143.50
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Solution
The fourth proportional to 5,454,445.68, 7,527,183.75 and 3,007,143.50 is: 4,149,884.88
Step by Step Solution
- Step 1: Write the proportion equation
5,454,445.68 : 7,527,183.75 = 3,007,143.50 : x - Step 2: Convert to fraction form
5,454,445.68/7,527,183.75 = 3,007,143.50/x - Step 3: Cross multiply
5,454,445.68x = 7,527,183.75 × 3,007,143.50 - Step 4: Simplify right side
5,454,445.68x = 22,635,321,649,482.21 - Step 5: Solve for x
x = 22,635,321,649,482.21/5,454,445.68 - Step 6: Final answer
x = 4,149,884.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.