Home / 2,086,392.27-3,130,037.81-647,046.62

Finding the Fourth Proportional to 2,086,392.27, 3,130,037.81 and 647,046.62

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Solution

The fourth proportional to 2,086,392.27, 3,130,037.81 and 647,046.62 is: 970,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,392.27 : 3,130,037.81 = 647,046.62 : x
  2. Step 2: Convert to fraction form
    2,086,392.27/3,130,037.81 = 647,046.62/x
  3. Step 3: Cross multiply
    2,086,392.27x = 3,130,037.81 × 647,046.62
  4. Step 4: Simplify right side
    2,086,392.27x = 2,025,280,390,022.56
  5. Step 5: Solve for x
    x = 2,025,280,390,022.56/2,086,392.27
  6. Step 6: Final answer
    x = 970,709.30

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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.