Home / 3,171,845.54-4,377,029.76-1,721,509.83

Finding the Fourth Proportional to 3,171,845.54, 4,377,029.76 and 1,721,509.83

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Solution

The fourth proportional to 3,171,845.54, 4,377,029.76 and 1,721,509.83 is: 2,375,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,845.54 : 4,377,029.76 = 1,721,509.83 : x
  2. Step 2: Convert to fraction form
    3,171,845.54/4,377,029.76 = 1,721,509.83/x
  3. Step 3: Cross multiply
    3,171,845.54x = 4,377,029.76 × 1,721,509.83
  4. Step 4: Simplify right side
    3,171,845.54x = 7,535,099,775,194.68
  5. Step 5: Solve for x
    x = 7,535,099,775,194.68/3,171,845.54
  6. Step 6: Final answer
    x = 2,375,620.03

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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.