Finding the Fourth Proportional to 2,785,157.40, 4,177,152.90 and 1,366,231.80
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Solution
The fourth proportional to 2,785,157.40, 4,177,152.90 and 1,366,231.80 is: 2,049,061.62
Step by Step Solution
- Step 1: Write the proportion equation
2,785,157.40 : 4,177,152.90 = 1,366,231.80 : x - Step 2: Convert to fraction form
2,785,157.40/4,177,152.90 = 1,366,231.80/x - Step 3: Cross multiply
2,785,157.40x = 4,177,152.90 × 1,366,231.80 - Step 4: Simplify right side
2,785,157.40x = 5,706,959,125,442.22 - Step 5: Solve for x
x = 5,706,959,125,442.22/2,785,157.40 - Step 6: Final answer
x = 2,049,061.62
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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.