Finding the Fourth Proportional to 3,197,161.20, 4,414,037.67 and 2,080,613.91
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Solution
The fourth proportional to 3,197,161.20, 4,414,037.67 and 2,080,613.91 is: 2,872,519.59
Step by Step Solution
- Step 1: Write the proportion equation
3,197,161.20 : 4,414,037.67 = 2,080,613.91 : x - Step 2: Convert to fraction form
3,197,161.20/4,414,037.67 = 2,080,613.91/x - Step 3: Cross multiply
3,197,161.20x = 4,414,037.67 × 2,080,613.91 - Step 4: Simplify right side
3,197,161.20x = 9,183,908,175,465.99 - Step 5: Solve for x
x = 9,183,908,175,465.99/3,197,161.20 - Step 6: Final answer
x = 2,872,519.59
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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.