Finding the Fourth Proportional to 4,584,622.70, 6,876,934.05 and 2,193,138.20
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Solution
The fourth proportional to 4,584,622.70, 6,876,934.05 and 2,193,138.20 is: 3,289,707.30
Step by Step Solution
- Step 1: Write the proportion equation
4,584,622.70 : 6,876,934.05 = 2,193,138.20 : x - Step 2: Convert to fraction form
4,584,622.70/6,876,934.05 = 2,193,138.20/x - Step 3: Cross multiply
4,584,622.70x = 6,876,934.05 × 2,193,138.20 - Step 4: Simplify right side
4,584,622.70x = 15,082,066,763,935.71 - Step 5: Solve for x
x = 15,082,066,763,935.71/4,584,622.70 - Step 6: Final answer
x = 3,289,707.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.