Finding the Fourth Proportional to 1,541,107.24, 2,126,612.46 and 861,912.52
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Solution
The fourth proportional to 1,541,107.24, 2,126,612.46 and 861,912.52 is: 1,189,374.66
Step by Step Solution
- Step 1: Write the proportion equation
1,541,107.24 : 2,126,612.46 = 861,912.52 : x - Step 2: Convert to fraction form
1,541,107.24/2,126,612.46 = 861,912.52/x - Step 3: Cross multiply
1,541,107.24x = 2,126,612.46 × 861,912.52 - Step 4: Simplify right side
1,541,107.24x = 1,832,953,904,462.00 - Step 5: Solve for x
x = 1,832,953,904,462.00/1,541,107.24 - Step 6: Final answer
x = 1,189,374.66
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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.