Finding the Fourth Proportional to 2,521,439.28, 3,479,317.88 and 1,418,851.44
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Solution
The fourth proportional to 2,521,439.28, 3,479,317.88 and 1,418,851.44 is: 1,957,863.99
Step by Step Solution
- Step 1: Write the proportion equation
2,521,439.28 : 3,479,317.88 = 1,418,851.44 : x - Step 2: Convert to fraction form
2,521,439.28/3,479,317.88 = 1,418,851.44/x - Step 3: Cross multiply
2,521,439.28x = 3,479,317.88 × 1,418,851.44 - Step 4: Simplify right side
2,521,439.28x = 4,936,635,177,161.49 - Step 5: Solve for x
x = 4,936,635,177,161.49/2,521,439.28 - Step 6: Final answer
x = 1,957,863.99
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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.