Home / 2,800,400.38-4,200,892.49-1,071,266.85

Finding the Fourth Proportional to 2,800,400.38, 4,200,892.49 and 1,071,266.85

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Solution

The fourth proportional to 2,800,400.38, 4,200,892.49 and 1,071,266.85 is: 1,607,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,400.38 : 4,200,892.49 = 1,071,266.85 : x
  2. Step 2: Convert to fraction form
    2,800,400.38/4,200,892.49 = 1,071,266.85/x
  3. Step 3: Cross multiply
    2,800,400.38x = 4,200,892.49 × 1,071,266.85
  4. Step 4: Simplify right side
    2,800,400.38x = 4,500,276,867,629.12
  5. Step 5: Solve for x
    x = 4,500,276,867,629.12/2,800,400.38
  6. Step 6: Final answer
    x = 1,607,011.95

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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.