Finding the Fourth Proportional to 5,153,680.71, 7,727,872.05 and 2,726,139.42
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Solution
The fourth proportional to 5,153,680.71, 7,727,872.05 and 2,726,139.42 is: 4,087,807.88
Step by Step Solution
- Step 1: Write the proportion equation
5,153,680.71 : 7,727,872.05 = 2,726,139.42 : x - Step 2: Convert to fraction form
5,153,680.71/7,727,872.05 = 2,726,139.42/x - Step 3: Cross multiply
5,153,680.71x = 7,727,872.05 × 2,726,139.42 - Step 4: Simplify right side
5,153,680.71x = 21,067,256,614,153.84 - Step 5: Solve for x
x = 21,067,256,614,153.84/5,153,680.71 - Step 6: Final answer
x = 4,087,807.88
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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.