Home / 3,171,970.92-4,377,202.56-1,721,635.20

Finding the Fourth Proportional to 3,171,970.92, 4,377,202.56 and 1,721,635.20

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Solution

The fourth proportional to 3,171,970.92, 4,377,202.56 and 1,721,635.20 is: 2,375,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,970.92 : 4,377,202.56 = 1,721,635.20 : x
  2. Step 2: Convert to fraction form
    3,171,970.92/4,377,202.56 = 1,721,635.20/x
  3. Step 3: Cross multiply
    3,171,970.92x = 4,377,202.56 × 1,721,635.20
  4. Step 4: Simplify right side
    3,171,970.92x = 7,535,946,004,826.11
  5. Step 5: Solve for x
    x = 7,535,946,004,826.11/3,171,970.92
  6. Step 6: Final answer
    x = 2,375,792.90

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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.