Home / 2,142,786.60-3,195,248.13-2,123,553.96

Finding the Fourth Proportional to 2,142,786.60, 3,195,248.13 and 2,123,553.96

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Solution

The fourth proportional to 2,142,786.60, 3,195,248.13 and 2,123,553.96 is: 3,166,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,786.60 : 3,195,248.13 = 2,123,553.96 : x
  2. Step 2: Convert to fraction form
    2,142,786.60/3,195,248.13 = 2,123,553.96/x
  3. Step 3: Cross multiply
    2,142,786.60x = 3,195,248.13 × 2,123,553.96
  4. Step 4: Simplify right side
    2,142,786.60x = 6,785,281,819,644.10
  5. Step 5: Solve for x
    x = 6,785,281,819,644.10/2,142,786.60
  6. Step 6: Final answer
    x = 3,166,569.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.