Finding the Fourth Proportional to 1,796,921.13, 2,479,732.36 and 981,122.29
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Solution
The fourth proportional to 1,796,921.13, 2,479,732.36 and 981,122.29 is: 1,353,938.49
Step by Step Solution
- Step 1: Write the proportion equation
1,796,921.13 : 2,479,732.36 = 981,122.29 : x - Step 2: Convert to fraction form
1,796,921.13/2,479,732.36 = 981,122.29/x - Step 3: Cross multiply
1,796,921.13x = 2,479,732.36 × 981,122.29 - Step 4: Simplify right side
1,796,921.13x = 2,432,920,682,978.17 - Step 5: Solve for x
x = 2,432,920,682,978.17/1,796,921.13 - Step 6: Final answer
x = 1,353,938.49
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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.