Home / 2,378,627.38-3,282,507.50-1,290,898.68

Finding the Fourth Proportional to 2,378,627.38, 3,282,507.50 and 1,290,898.68

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Solution

The fourth proportional to 2,378,627.38, 3,282,507.50 and 1,290,898.68 is: 1,781,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,627.38 : 3,282,507.50 = 1,290,898.68 : x
  2. Step 2: Convert to fraction form
    2,378,627.38/3,282,507.50 = 1,290,898.68/x
  3. Step 3: Cross multiply
    2,378,627.38x = 3,282,507.50 × 1,290,898.68
  4. Step 4: Simplify right side
    2,378,627.38x = 4,237,384,598,840.10
  5. Step 5: Solve for x
    x = 4,237,384,598,840.10/2,378,627.38
  6. Step 6: Final answer
    x = 1,781,441.11

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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.