Finding the Fourth Proportional to 3,491,891.98, 5,236,311.11 and 1,761,697.42
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Solution
The fourth proportional to 3,491,891.98, 5,236,311.11 and 1,761,697.42 is: 2,641,775.81
Step by Step Solution
- Step 1: Write the proportion equation
3,491,891.98 : 5,236,311.11 = 1,761,697.42 : x - Step 2: Convert to fraction form
3,491,891.98/5,236,311.11 = 1,761,697.42/x - Step 3: Cross multiply
3,491,891.98x = 5,236,311.11 × 1,761,697.42 - Step 4: Simplify right side
3,491,891.98x = 9,224,795,772,804.34 - Step 5: Solve for x
x = 9,224,795,772,804.34/3,491,891.98 - Step 6: Final answer
x = 2,641,775.81
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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.