Finding the Fourth Proportional to 2,215,797.21, 3,324,142.94 and 699,716.97
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Solution
The fourth proportional to 2,215,797.21, 3,324,142.94 and 699,716.97 is: 1,049,716.65
Step by Step Solution
- Step 1: Write the proportion equation
2,215,797.21 : 3,324,142.94 = 699,716.97 : x - Step 2: Convert to fraction form
2,215,797.21/3,324,142.94 = 699,716.97/x - Step 3: Cross multiply
2,215,797.21x = 3,324,142.94 × 699,716.97 - Step 4: Simplify right side
2,215,797.21x = 2,325,959,222,325.11 - Step 5: Solve for x
x = 2,325,959,222,325.11/2,215,797.21 - Step 6: Final answer
x = 1,049,716.65
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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.