Finding the Fourth Proportional to 2,351,146.20, 3,244,617.30 and 1,318,882.80
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Solution
The fourth proportional to 2,351,146.20, 3,244,617.30 and 1,318,882.80 is: 1,820,078.20
Step by Step Solution
- Step 1: Write the proportion equation
2,351,146.20 : 3,244,617.30 = 1,318,882.80 : x - Step 2: Convert to fraction form
2,351,146.20/3,244,617.30 = 1,318,882.80/x - Step 3: Cross multiply
2,351,146.20x = 3,244,617.30 × 1,318,882.80 - Step 4: Simplify right side
2,351,146.20x = 4,279,269,949,552.44 - Step 5: Solve for x
x = 4,279,269,949,552.44/2,351,146.20 - Step 6: Final answer
x = 1,820,078.20
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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.