Finding the Fourth Proportional to 3,987,915.04, 5,503,294.74 and 2,177,079.04
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Solution
The fourth proportional to 3,987,915.04, 5,503,294.74 and 2,177,079.04 is: 3,004,353.78
Step by Step Solution
- Step 1: Write the proportion equation
3,987,915.04 : 5,503,294.74 = 2,177,079.04 : x - Step 2: Convert to fraction form
3,987,915.04/5,503,294.74 = 2,177,079.04/x - Step 3: Cross multiply
3,987,915.04x = 5,503,294.74 × 2,177,079.04 - Step 4: Simplify right side
3,987,915.04x = 11,981,107,629,396.25 - Step 5: Solve for x
x = 11,981,107,629,396.25/3,987,915.04 - Step 6: Final answer
x = 3,004,353.78
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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.