Finding the Fourth Proportional to 1,981,451.14, 2,735,239.62 and 1,337,743.24
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Solution
The fourth proportional to 1,981,451.14, 2,735,239.62 and 1,337,743.24 is: 1,846,650.79
Step by Step Solution
- Step 1: Write the proportion equation
1,981,451.14 : 2,735,239.62 = 1,337,743.24 : x - Step 2: Convert to fraction form
1,981,451.14/2,735,239.62 = 1,337,743.24/x - Step 3: Cross multiply
1,981,451.14x = 2,735,239.62 × 1,337,743.24 - Step 4: Simplify right side
1,981,451.14x = 3,659,048,311,435.17 - Step 5: Solve for x
x = 3,659,048,311,435.17/1,981,451.14 - Step 6: Final answer
x = 1,846,650.79
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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.