Finding the Fourth Proportional to 3,073,105.20, 4,241,286.44 and 1,715,260.08
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Solution
The fourth proportional to 3,073,105.20, 4,241,286.44 and 1,715,260.08 is: 2,367,282.88
Step by Step Solution
- Step 1: Write the proportion equation
3,073,105.20 : 4,241,286.44 = 1,715,260.08 : x - Step 2: Convert to fraction form
3,073,105.20/4,241,286.44 = 1,715,260.08/x - Step 3: Cross multiply
3,073,105.20x = 4,241,286.44 × 1,715,260.08 - Step 4: Simplify right side
3,073,105.20x = 7,274,909,318,377.32 - Step 5: Solve for x
x = 7,274,909,318,377.32/3,073,105.20 - Step 6: Final answer
x = 2,367,282.88
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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.