Finding the Fourth Proportional to 1,436,101.44, 1,981,793.60 and 782,733.12
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Solution
The fourth proportional to 1,436,101.44, 1,981,793.60 and 782,733.12 is: 1,080,157.32
Step by Step Solution
- Step 1: Write the proportion equation
1,436,101.44 : 1,981,793.60 = 782,733.12 : x - Step 2: Convert to fraction form
1,436,101.44/1,981,793.60 = 782,733.12/x - Step 3: Cross multiply
1,436,101.44x = 1,981,793.60 × 782,733.12 - Step 4: Simplify right side
1,436,101.44x = 1,551,215,487,724.03 - Step 5: Solve for x
x = 1,551,215,487,724.03/1,436,101.44 - Step 6: Final answer
x = 1,080,157.32
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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.