Finding the Fourth Proportional to 1,082,942.13, 1,491,122.11 and 961,873.05
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Solution
The fourth proportional to 1,082,942.13, 1,491,122.11 and 961,873.05 is: 1,324,419.96
Step by Step Solution
- Step 1: Write the proportion equation
1,082,942.13 : 1,491,122.11 = 961,873.05 : x - Step 2: Convert to fraction form
1,082,942.13/1,491,122.11 = 961,873.05/x - Step 3: Cross multiply
1,082,942.13x = 1,491,122.11 × 961,873.05 - Step 4: Simplify right side
1,082,942.13x = 1,434,270,171,868.14 - Step 5: Solve for x
x = 1,434,270,171,868.14/1,082,942.13 - Step 6: Final answer
x = 1,324,419.96
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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.