Finding the Fourth Proportional to 3,635,742.08, 5,017,283.19 and 1,981,852.95
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Solution
The fourth proportional to 3,635,742.08, 5,017,283.19 and 1,981,852.95 is: 2,734,934.79
Step by Step Solution
- Step 1: Write the proportion equation
3,635,742.08 : 5,017,283.19 = 1,981,852.95 : x - Step 2: Convert to fraction form
3,635,742.08/5,017,283.19 = 1,981,852.95/x - Step 3: Cross multiply
3,635,742.08x = 5,017,283.19 × 1,981,852.95 - Step 4: Simplify right side
3,635,742.08x = 9,943,517,491,086.91 - Step 5: Solve for x
x = 9,943,517,491,086.91/3,635,742.08 - Step 6: Final answer
x = 2,734,934.79
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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.