Finding the Fourth Proportional to 4,126,834.30, 5,695,209.19 and 2,291,292.68
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Solution
The fourth proportional to 4,126,834.30, 5,695,209.19 and 2,291,292.68 is: 3,162,082.65
Step by Step Solution
- Step 1: Write the proportion equation
4,126,834.30 : 5,695,209.19 = 2,291,292.68 : x - Step 2: Convert to fraction form
4,126,834.30/5,695,209.19 = 2,291,292.68/x - Step 3: Cross multiply
4,126,834.30x = 5,695,209.19 × 2,291,292.68 - Step 4: Simplify right side
4,126,834.30x = 13,049,391,128,115.73 - Step 5: Solve for x
x = 13,049,391,128,115.73/4,126,834.30 - Step 6: Final answer
x = 3,162,082.65
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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.