Home / 2,140,736.76-3,208,857.12-720,299.52

Finding the Fourth Proportional to 2,140,736.76, 3,208,857.12 and 720,299.52

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Solution

The fourth proportional to 2,140,736.76, 3,208,857.12 and 720,299.52 is: 1,079,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,736.76 : 3,208,857.12 = 720,299.52 : x
  2. Step 2: Convert to fraction form
    2,140,736.76/3,208,857.12 = 720,299.52/x
  3. Step 3: Cross multiply
    2,140,736.76x = 3,208,857.12 × 720,299.52
  4. Step 4: Simplify right side
    2,140,736.76x = 2,311,338,243,284.58
  5. Step 5: Solve for x
    x = 2,311,338,243,284.58/2,140,736.76
  6. Step 6: Final answer
    x = 1,079,692.88

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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.