Home / 3,939,109.38-5,436,012.47-2,220,229.85

Finding the Fourth Proportional to 3,939,109.38, 5,436,012.47 and 2,220,229.85

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Solution

The fourth proportional to 3,939,109.38, 5,436,012.47 and 2,220,229.85 is: 3,063,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,109.38 : 5,436,012.47 = 2,220,229.85 : x
  2. Step 2: Convert to fraction form
    3,939,109.38/5,436,012.47 = 2,220,229.85/x
  3. Step 3: Cross multiply
    3,939,109.38x = 5,436,012.47 × 2,220,229.85
  4. Step 4: Simplify right side
    3,939,109.38x = 12,069,197,112,585.02
  5. Step 5: Solve for x
    x = 12,069,197,112,585.02/3,939,109.38
  6. Step 6: Final answer
    x = 3,063,940.59

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Double scale
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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.