Finding the Fourth Proportional to 2,165,872.52, 2,988,807.17 and 1,198,934.48
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Solution
The fourth proportional to 2,165,872.52, 2,988,807.17 and 1,198,934.48 is: 1,654,475.94
Step by Step Solution
- Step 1: Write the proportion equation
2,165,872.52 : 2,988,807.17 = 1,198,934.48 : x - Step 2: Convert to fraction form
2,165,872.52/2,988,807.17 = 1,198,934.48/x - Step 3: Cross multiply
2,165,872.52x = 2,988,807.17 × 1,198,934.48 - Step 4: Simplify right side
2,165,872.52x = 3,583,383,970,184.22 - Step 5: Solve for x
x = 3,583,383,970,184.22/2,165,872.52 - Step 6: Final answer
x = 1,654,475.94
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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.