Finding the Fourth Proportional to 4,422,696.38, 6,102,311.20 and 2,488,251.14
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Solution
The fourth proportional to 4,422,696.38, 6,102,311.20 and 2,488,251.14 is: 3,433,218.45
Step by Step Solution
- Step 1: Write the proportion equation
4,422,696.38 : 6,102,311.20 = 2,488,251.14 : x - Step 2: Convert to fraction form
4,422,696.38/6,102,311.20 = 2,488,251.14/x - Step 3: Cross multiply
4,422,696.38x = 6,102,311.20 × 2,488,251.14 - Step 4: Simplify right side
4,422,696.38x = 15,184,082,800,034.77 - Step 5: Solve for x
x = 15,184,082,800,034.77/4,422,696.38 - Step 6: Final answer
x = 3,433,218.45
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Double scale
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1.5x scale
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.