Home / 2,890,238.79-3,979,429.76-2,453,792.87

Finding the Fourth Proportional to 2,890,238.79, 3,979,429.76 and 2,453,792.87

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Solution

The fourth proportional to 2,890,238.79, 3,979,429.76 and 2,453,792.87 is: 3,378,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,238.79 : 3,979,429.76 = 2,453,792.87 : x
  2. Step 2: Convert to fraction form
    2,890,238.79/3,979,429.76 = 2,453,792.87/x
  3. Step 3: Cross multiply
    2,890,238.79x = 3,979,429.76 × 2,453,792.87
  4. Step 4: Simplify right side
    2,890,238.79x = 9,764,696,387,836.87
  5. Step 5: Solve for x
    x = 9,764,696,387,836.87/2,890,238.79
  6. Step 6: Final answer
    x = 3,378,508.52

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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.