Home / 3,171,997.89-4,377,361.47-1,721,693.61

Finding the Fourth Proportional to 3,171,997.89, 4,377,361.47 and 1,721,693.61

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Solution

The fourth proportional to 3,171,997.89, 4,377,361.47 and 1,721,693.61 is: 2,375,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,997.89 : 4,377,361.47 = 1,721,693.61 : x
  2. Step 2: Convert to fraction form
    3,171,997.89/4,377,361.47 = 1,721,693.61/x
  3. Step 3: Cross multiply
    3,171,997.89x = 4,377,361.47 × 1,721,693.61
  4. Step 4: Simplify right side
    3,171,997.89x = 7,536,475,271,559.21
  5. Step 5: Solve for x
    x = 7,536,475,271,559.21/3,171,997.89
  6. Step 6: Final answer
    x = 2,375,939.56

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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.