Home / 3,171,794.78-4,377,080.90-1,721,490.06

Finding the Fourth Proportional to 3,171,794.78, 4,377,080.90 and 1,721,490.06

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Solution

The fourth proportional to 3,171,794.78, 4,377,080.90 and 1,721,490.06 is: 2,375,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,794.78 : 4,377,080.90 = 1,721,490.06 : x
  2. Step 2: Convert to fraction form
    3,171,794.78/4,377,080.90 = 1,721,490.06/x
  3. Step 3: Cross multiply
    3,171,794.78x = 4,377,080.90 × 1,721,490.06
  4. Step 4: Simplify right side
    3,171,794.78x = 7,535,101,261,165.86
  5. Step 5: Solve for x
    x = 7,535,101,261,165.86/3,171,794.78
  6. Step 6: Final answer
    x = 2,375,658.51

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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.