Finding the Fourth Proportional to 2,278,471.53, 3,418,047.08 and 839,044.18
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Solution
The fourth proportional to 2,278,471.53, 3,418,047.08 and 839,044.18 is: 1,258,691.40
Step by Step Solution
- Step 1: Write the proportion equation
2,278,471.53 : 3,418,047.08 = 839,044.18 : x - Step 2: Convert to fraction form
2,278,471.53/3,418,047.08 = 839,044.18/x - Step 3: Cross multiply
2,278,471.53x = 3,418,047.08 × 839,044.18 - Step 4: Simplify right side
2,278,471.53x = 2,867,892,509,439.99 - Step 5: Solve for x
x = 2,867,892,509,439.99/2,278,471.53 - Step 6: Final answer
x = 1,258,691.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.