Finding the Fourth Proportional to 2,764,821.32, 3,814,658.42 and 1,799,372.68
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Solution
The fourth proportional to 2,764,821.32, 3,814,658.42 and 1,799,372.68 is: 2,482,616.90
Step by Step Solution
- Step 1: Write the proportion equation
2,764,821.32 : 3,814,658.42 = 1,799,372.68 : x - Step 2: Convert to fraction form
2,764,821.32/3,814,658.42 = 1,799,372.68/x - Step 3: Cross multiply
2,764,821.32x = 3,814,658.42 × 1,799,372.68 - Step 4: Simplify right side
2,764,821.32x = 6,863,992,144,479.97 - Step 5: Solve for x
x = 6,863,992,144,479.97/2,764,821.32 - Step 6: Final answer
x = 2,482,616.90
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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.