Home / 1,940,869.40-2,912,178.90-929,600.60

Finding the Fourth Proportional to 1,940,869.40, 2,912,178.90 and 929,600.60

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Solution

The fourth proportional to 1,940,869.40, 2,912,178.90 and 929,600.60 is: 1,394,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,869.40 : 2,912,178.90 = 929,600.60 : x
  2. Step 2: Convert to fraction form
    1,940,869.40/2,912,178.90 = 929,600.60/x
  3. Step 3: Cross multiply
    1,940,869.40x = 2,912,178.90 × 929,600.60
  4. Step 4: Simplify right side
    1,940,869.40x = 2,707,163,252,747.34
  5. Step 5: Solve for x
    x = 2,707,163,252,747.34/1,940,869.40
  6. Step 6: Final answer
    x = 1,394,819.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.