Home / 3,838,389.80-5,290,662.42-2,721,149.91

Finding the Fourth Proportional to 3,838,389.80, 5,290,662.42 and 2,721,149.91

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Solution

The fourth proportional to 3,838,389.80, 5,290,662.42 and 2,721,149.91 is: 3,750,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,389.80 : 5,290,662.42 = 2,721,149.91 : x
  2. Step 2: Convert to fraction form
    3,838,389.80/5,290,662.42 = 2,721,149.91/x
  3. Step 3: Cross multiply
    3,838,389.80x = 5,290,662.42 × 2,721,149.91
  4. Step 4: Simplify right side
    3,838,389.80x = 14,396,685,568,023.38
  5. Step 5: Solve for x
    x = 14,396,685,568,023.38/3,838,389.80
  6. Step 6: Final answer
    x = 3,750,709.63

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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.