Finding the Fourth Proportional to 3,758,697.20, 5,625,604.20 and 2,912,668.40
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Solution
The fourth proportional to 3,758,697.20, 5,625,604.20 and 2,912,668.40 is: 4,359,361.43
Step by Step Solution
- Step 1: Write the proportion equation
3,758,697.20 : 5,625,604.20 = 2,912,668.40 : x - Step 2: Convert to fraction form
3,758,697.20/5,625,604.20 = 2,912,668.40/x - Step 3: Cross multiply
3,758,697.20x = 5,625,604.20 × 2,912,668.40 - Step 4: Simplify right side
3,758,697.20x = 16,385,519,584,247.28 - Step 5: Solve for x
x = 16,385,519,584,247.28/3,758,697.20 - Step 6: Final answer
x = 4,359,361.43
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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.