Finding the Fourth Proportional to 7,170,260.80, 10,745,253.60 and 3,976,793.92
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Solution
The fourth proportional to 7,170,260.80, 10,745,253.60 and 3,976,793.92 is: 5,959,568.33
Step by Step Solution
- Step 1: Write the proportion equation
7,170,260.80 : 10,745,253.60 = 3,976,793.92 : x - Step 2: Convert to fraction form
7,170,260.80/10,745,253.60 = 3,976,793.92/x - Step 3: Cross multiply
7,170,260.80x = 10,745,253.60 × 3,976,793.92 - Step 4: Simplify right side
7,170,260.80x = 42,731,659,185,338.11 - Step 5: Solve for x
x = 42,731,659,185,338.11/7,170,260.80 - Step 6: Final answer
x = 5,959,568.33
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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.