Finding the Fourth Proportional to 1,568,306.25, 2,163,928.91 and 923,491.17
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Solution
The fourth proportional to 1,568,306.25, 2,163,928.91 and 923,491.17 is: 1,274,221.30
Step by Step Solution
- Step 1: Write the proportion equation
1,568,306.25 : 2,163,928.91 = 923,491.17 : x - Step 2: Convert to fraction form
1,568,306.25/2,163,928.91 = 923,491.17/x - Step 3: Cross multiply
1,568,306.25x = 2,163,928.91 × 923,491.17 - Step 4: Simplify right side
1,568,306.25x = 1,998,369,236,275.27 - Step 5: Solve for x
x = 1,998,369,236,275.27/1,568,306.25 - Step 6: Final answer
x = 1,274,221.30
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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.