Finding the Fourth Proportional to 1,541,107.42, 2,311,287.21 and 642,058.65
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Solution
The fourth proportional to 1,541,107.42, 2,311,287.21 and 642,058.65 is: 962,932.19
Step by Step Solution
- Step 1: Write the proportion equation
1,541,107.42 : 2,311,287.21 = 642,058.65 : x - Step 2: Convert to fraction form
1,541,107.42/2,311,287.21 = 642,058.65/x - Step 3: Cross multiply
1,541,107.42x = 2,311,287.21 × 642,058.65 - Step 4: Simplify right side
1,541,107.42x = 1,483,981,945,814.87 - Step 5: Solve for x
x = 1,483,981,945,814.87/1,541,107.42 - Step 6: Final answer
x = 962,932.19
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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.