Finding the Fourth Proportional to 6,862,103.20, 9,469,519.68 and 3,961,396
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Solution
The fourth proportional to 6,862,103.20, 9,469,519.68 and 3,961,396 is: 5,466,620.99
Step by Step Solution
- Step 1: Write the proportion equation
6,862,103.20 : 9,469,519.68 = 3,961,396 : x - Step 2: Convert to fraction form
6,862,103.20/9,469,519.68 = 3,961,396/x - Step 3: Cross multiply
6,862,103.20x = 9,469,519.68 × 3,961,396 - Step 4: Simplify right side
6,862,103.20x = 37,512,517,382,273.28 - Step 5: Solve for x
x = 37,512,517,382,273.28/6,862,103.20 - Step 6: Final answer
x = 5,466,620.99
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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.