Home / 3,868,660.89-5,338,807.52-2,126,491.61

Finding the Fourth Proportional to 3,868,660.89, 5,338,807.52 and 2,126,491.61

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Solution

The fourth proportional to 3,868,660.89, 5,338,807.52 and 2,126,491.61 is: 2,934,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,660.89 : 5,338,807.52 = 2,126,491.61 : x
  2. Step 2: Convert to fraction form
    3,868,660.89/5,338,807.52 = 2,126,491.61/x
  3. Step 3: Cross multiply
    3,868,660.89x = 5,338,807.52 × 2,126,491.61
  4. Step 4: Simplify right side
    3,868,660.89x = 11,352,929,361,358.41
  5. Step 5: Solve for x
    x = 11,352,929,361,358.41/3,868,660.89
  6. Step 6: Final answer
    x = 2,934,588.91

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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.