Home / 2,028,320.20-2,799,141.78-1,122,902.20

Finding the Fourth Proportional to 2,028,320.20, 2,799,141.78 and 1,122,902.20

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Solution

The fourth proportional to 2,028,320.20, 2,799,141.78 and 1,122,902.20 is: 1,549,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,320.20 : 2,799,141.78 = 1,122,902.20 : x
  2. Step 2: Convert to fraction form
    2,028,320.20/2,799,141.78 = 1,122,902.20/x
  3. Step 3: Cross multiply
    2,028,320.20x = 2,799,141.78 × 1,122,902.20
  4. Step 4: Simplify right side
    2,028,320.20x = 3,143,162,462,873.92
  5. Step 5: Solve for x
    x = 3,143,162,462,873.92/2,028,320.20
  6. Step 6: Final answer
    x = 1,549,638.20

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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.