Finding the Fourth Proportional to 3,590,961, 4,955,629.92 and 1,981,432.68
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Solution
The fourth proportional to 3,590,961, 4,955,629.92 and 1,981,432.68 is: 2,734,434.34
Step by Step Solution
- Step 1: Write the proportion equation
3,590,961 : 4,955,629.92 = 1,981,432.68 : x - Step 2: Convert to fraction form
3,590,961/4,955,629.92 = 1,981,432.68/x - Step 3: Cross multiply
3,590,961x = 4,955,629.92 × 1,981,432.68 - Step 4: Simplify right side
3,590,961x = 9,819,247,073,473.79 - Step 5: Solve for x
x = 9,819,247,073,473.79/3,590,961 - Step 6: Final answer
x = 2,734,434.34
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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.