Finding the Fourth Proportional to 3,136,129.98, 4,703,198.18 and 2,131,706.49
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Solution
The fourth proportional to 3,136,129.98, 4,703,198.18 and 2,131,706.49 is: 3,196,882.19
Step by Step Solution
- Step 1: Write the proportion equation
3,136,129.98 : 4,703,198.18 = 2,131,706.49 : x - Step 2: Convert to fraction form
3,136,129.98/4,703,198.18 = 2,131,706.49/x - Step 3: Cross multiply
3,136,129.98x = 4,703,198.18 × 2,131,706.49 - Step 4: Simplify right side
3,136,129.98x = 10,025,838,068,994.41 - Step 5: Solve for x
x = 10,025,838,068,994.41/3,136,129.98 - Step 6: Final answer
x = 3,196,882.19
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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.