Finding the Fourth Proportional to 1,542,808.38, 2,304,830.46 and 998,631.75
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Solution
The fourth proportional to 1,542,808.38, 2,304,830.46 and 998,631.75 is: 1,491,874.76
Step by Step Solution
- Step 1: Write the proportion equation
1,542,808.38 : 2,304,830.46 = 998,631.75 : x - Step 2: Convert to fraction form
1,542,808.38/2,304,830.46 = 998,631.75/x - Step 3: Cross multiply
1,542,808.38x = 2,304,830.46 × 998,631.75 - Step 4: Simplify right side
1,542,808.38x = 2,301,676,875,723.11 - Step 5: Solve for x
x = 2,301,676,875,723.11/1,542,808.38 - Step 6: Final answer
x = 1,491,874.76
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.