Finding the Fourth Proportional to 2,351,145.45, 3,244,616.27 and 1,318,882.05
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Solution
The fourth proportional to 2,351,145.45, 3,244,616.27 and 1,318,882.05 is: 1,820,077.17
Step by Step Solution
- Step 1: Write the proportion equation
2,351,145.45 : 3,244,616.27 = 1,318,882.05 : x - Step 2: Convert to fraction form
2,351,145.45/3,244,616.27 = 1,318,882.05/x - Step 3: Cross multiply
2,351,145.45x = 3,244,616.27 × 1,318,882.05 - Step 4: Simplify right side
2,351,145.45x = 4,279,266,159,158.08 - Step 5: Solve for x
x = 4,279,266,159,158.08/2,351,145.45 - Step 6: Final answer
x = 1,820,077.17
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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.