Finding the Fourth Proportional to 3,388,559.76, 5,082,841.46 and 2,127,273.12
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Solution
The fourth proportional to 3,388,559.76, 5,082,841.46 and 2,127,273.12 is: 3,190,910.82
Step by Step Solution
- Step 1: Write the proportion equation
3,388,559.76 : 5,082,841.46 = 2,127,273.12 : x - Step 2: Convert to fraction form
3,388,559.76/5,082,841.46 = 2,127,273.12/x - Step 3: Cross multiply
3,388,559.76x = 5,082,841.46 × 2,127,273.12 - Step 4: Simplify right side
3,388,559.76x = 10,812,592,016,397.74 - Step 5: Solve for x
x = 10,812,592,016,397.74/3,388,559.76 - Step 6: Final answer
x = 3,190,910.82
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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.