Finding the Fourth Proportional to 2,987,149.40, 4,480,205.70 and 1,092,915.80
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Solution
The fourth proportional to 2,987,149.40, 4,480,205.70 and 1,092,915.80 is: 1,639,184.03
Step by Step Solution
- Step 1: Write the proportion equation
2,987,149.40 : 4,480,205.70 = 1,092,915.80 : x - Step 2: Convert to fraction form
2,987,149.40/4,480,205.70 = 1,092,915.80/x - Step 3: Cross multiply
2,987,149.40x = 4,480,205.70 × 1,092,915.80 - Step 4: Simplify right side
2,987,149.40x = 4,896,487,596,780.06 - Step 5: Solve for x
x = 4,896,487,596,780.06/2,987,149.40 - Step 6: Final answer
x = 1,639,184.03
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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.