Home / 2,142,168.37-3,213,263.55-722,236.75

Finding the Fourth Proportional to 2,142,168.37, 3,213,263.55 and 722,236.75

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Solution

The fourth proportional to 2,142,168.37, 3,213,263.55 and 722,236.75 is: 1,083,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,168.37 : 3,213,263.55 = 722,236.75 : x
  2. Step 2: Convert to fraction form
    2,142,168.37/3,213,263.55 = 722,236.75/x
  3. Step 3: Cross multiply
    2,142,168.37x = 3,213,263.55 × 722,236.75
  4. Step 4: Simplify right side
    2,142,168.37x = 2,320,737,023,245.46
  5. Step 5: Solve for x
    x = 2,320,737,023,245.46/2,142,168.37
  6. Step 6: Final answer
    x = 1,083,358.83

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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.