Home / 2,021,829.87-2,785,383.41-1,408,870.27

Finding the Fourth Proportional to 2,021,829.87, 2,785,383.41 and 1,408,870.27

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Solution

The fourth proportional to 2,021,829.87, 2,785,383.41 and 1,408,870.27 is: 1,940,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,829.87 : 2,785,383.41 = 1,408,870.27 : x
  2. Step 2: Convert to fraction form
    2,021,829.87/2,785,383.41 = 1,408,870.27/x
  3. Step 3: Cross multiply
    2,021,829.87x = 2,785,383.41 × 1,408,870.27
  4. Step 4: Simplify right side
    2,021,829.87x = 3,924,243,862,892.41
  5. Step 5: Solve for x
    x = 3,924,243,862,892.41/2,021,829.87
  6. Step 6: Final answer
    x = 1,940,936.73

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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.