Home / 2,680,081.20-4,020,121.80-2,502,934.20

Finding the Fourth Proportional to 2,680,081.20, 4,020,121.80 and 2,502,934.20

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Solution

The fourth proportional to 2,680,081.20, 4,020,121.80 and 2,502,934.20 is: 3,754,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,081.20 : 4,020,121.80 = 2,502,934.20 : x
  2. Step 2: Convert to fraction form
    2,680,081.20/4,020,121.80 = 2,502,934.20/x
  3. Step 3: Cross multiply
    2,680,081.20x = 4,020,121.80 × 2,502,934.20
  4. Step 4: Simplify right side
    2,680,081.20x = 10,062,100,341,385.56
  5. Step 5: Solve for x
    x = 10,062,100,341,385.56/2,680,081.20
  6. Step 6: Final answer
    x = 3,754,401.30

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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.