Finding the Fourth Proportional to 2,236,468.59, 3,086,245.16 and 1,217,850.99
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Solution
The fourth proportional to 2,236,468.59, 3,086,245.16 and 1,217,850.99 is: 1,680,589.99
Step by Step Solution
- Step 1: Write the proportion equation
2,236,468.59 : 3,086,245.16 = 1,217,850.99 : x - Step 2: Convert to fraction form
2,236,468.59/3,086,245.16 = 1,217,850.99/x - Step 3: Cross multiply
2,236,468.59x = 3,086,245.16 × 1,217,850.99 - Step 4: Simplify right side
2,236,468.59x = 3,758,586,711,102.11 - Step 5: Solve for x
x = 3,758,586,711,102.11/2,236,468.59 - Step 6: Final answer
x = 1,680,589.99
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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.