Home / 5,162,993.50-7,125,065.46-2,839,945.90

Finding the Fourth Proportional to 5,162,993.50, 7,125,065.46 and 2,839,945.90

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Solution

The fourth proportional to 5,162,993.50, 7,125,065.46 and 2,839,945.90 is: 3,919,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,993.50 : 7,125,065.46 = 2,839,945.90 : x
  2. Step 2: Convert to fraction form
    5,162,993.50/7,125,065.46 = 2,839,945.90/x
  3. Step 3: Cross multiply
    5,162,993.50x = 7,125,065.46 × 2,839,945.90
  4. Step 4: Simplify right side
    5,162,993.50x = 20,234,800,440,358.61
  5. Step 5: Solve for x
    x = 20,234,800,440,358.61/5,162,993.50
  6. Step 6: Final answer
    x = 3,919,199.29

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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.