Finding the Fourth Proportional to 5,488,771.07, 7,574,613.68 and 3,197,079.38
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Solution
The fourth proportional to 5,488,771.07, 7,574,613.68 and 3,197,079.38 is: 4,412,033.39
Step by Step Solution
- Step 1: Write the proportion equation
5,488,771.07 : 7,574,613.68 = 3,197,079.38 : x - Step 2: Convert to fraction form
5,488,771.07/7,574,613.68 = 3,197,079.38/x - Step 3: Cross multiply
5,488,771.07x = 7,574,613.68 × 3,197,079.38 - Step 4: Simplify right side
5,488,771.07x = 24,216,641,234,723.15 - Step 5: Solve for x
x = 24,216,641,234,723.15/5,488,771.07 - Step 6: Final answer
x = 4,412,033.39
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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.