Home / 5,378,228.58-7,421,766.92-2,930,789.69

Finding the Fourth Proportional to 5,378,228.58, 7,421,766.92 and 2,930,789.69

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Solution

The fourth proportional to 5,378,228.58, 7,421,766.92 and 2,930,789.69 is: 4,044,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,228.58 : 7,421,766.92 = 2,930,789.69 : x
  2. Step 2: Convert to fraction form
    5,378,228.58/7,421,766.92 = 2,930,789.69/x
  3. Step 3: Cross multiply
    5,378,228.58x = 7,421,766.92 × 2,930,789.69
  4. Step 4: Simplify right side
    5,378,228.58x = 21,751,637,957,778.36
  5. Step 5: Solve for x
    x = 21,751,637,957,778.36/5,378,228.58
  6. Step 6: Final answer
    x = 4,044,387.04

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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.