Finding the Fourth Proportional to 5,324,546.36, 7,986,819.66 and 1,281,034.19
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Solution
The fourth proportional to 5,324,546.36, 7,986,819.66 and 1,281,034.19 is: 1,921,551.32
Step by Step Solution
- Step 1: Write the proportion equation
5,324,546.36 : 7,986,819.66 = 1,281,034.19 : x - Step 2: Convert to fraction form
5,324,546.36/7,986,819.66 = 1,281,034.19/x - Step 3: Cross multiply
5,324,546.36x = 7,986,819.66 × 1,281,034.19 - Step 4: Simplify right side
5,324,546.36x = 10,231,389,073,791.22 - Step 5: Solve for x
x = 10,231,389,073,791.22/5,324,546.36 - Step 6: Final answer
x = 1,921,551.32
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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.