Home / 2,179,410.80-3,269,116.20-683,500.40

Finding the Fourth Proportional to 2,179,410.80, 3,269,116.20 and 683,500.40

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Solution

The fourth proportional to 2,179,410.80, 3,269,116.20 and 683,500.40 is: 1,025,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,410.80 : 3,269,116.20 = 683,500.40 : x
  2. Step 2: Convert to fraction form
    2,179,410.80/3,269,116.20 = 683,500.40/x
  3. Step 3: Cross multiply
    2,179,410.80x = 3,269,116.20 × 683,500.40
  4. Step 4: Simplify right side
    2,179,410.80x = 2,234,442,230,346.48
  5. Step 5: Solve for x
    x = 2,234,442,230,346.48/2,179,410.80
  6. Step 6: Final answer
    x = 1,025,250.60

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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.