Home / 2,138,784.62-3,207,109.44-699,280.52

Finding the Fourth Proportional to 2,138,784.62, 3,207,109.44 and 699,280.52

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Solution

The fourth proportional to 2,138,784.62, 3,207,109.44 and 699,280.52 is: 1,048,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,784.62 : 3,207,109.44 = 699,280.52 : x
  2. Step 2: Convert to fraction form
    2,138,784.62/3,207,109.44 = 699,280.52/x
  3. Step 3: Cross multiply
    2,138,784.62x = 3,207,109.44 × 699,280.52
  4. Step 4: Simplify right side
    2,138,784.62x = 2,242,669,156,900.11
  5. Step 5: Solve for x
    x = 2,242,669,156,900.11/2,138,784.62
  6. Step 6: Final answer
    x = 1,048,571.76

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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.