Finding the Fourth Proportional to 3,377,519.70, 4,656,343.98 and 2,136,512.62
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Solution
The fourth proportional to 3,377,519.70, 4,656,343.98 and 2,136,512.62 is: 2,945,456.60
Step by Step Solution
- Step 1: Write the proportion equation
3,377,519.70 : 4,656,343.98 = 2,136,512.62 : x - Step 2: Convert to fraction form
3,377,519.70/4,656,343.98 = 2,136,512.62/x - Step 3: Cross multiply
3,377,519.70x = 4,656,343.98 × 2,136,512.62 - Step 4: Simplify right side
3,377,519.70x = 9,948,337,676,331.03 - Step 5: Solve for x
x = 9,948,337,676,331.03/3,377,519.70 - Step 6: Final answer
x = 2,945,456.60
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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.