Home / 2,320,740.60-3,202,571.28-1,288,187.68

Finding the Fourth Proportional to 2,320,740.60, 3,202,571.28 and 1,288,187.68

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Solution

The fourth proportional to 2,320,740.60, 3,202,571.28 and 1,288,187.68 is: 1,777,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,740.60 : 3,202,571.28 = 1,288,187.68 : x
  2. Step 2: Convert to fraction form
    2,320,740.60/3,202,571.28 = 1,288,187.68/x
  3. Step 3: Cross multiply
    2,320,740.60x = 3,202,571.28 × 1,288,187.68
  4. Step 4: Simplify right side
    2,320,740.60x = 4,125,512,867,217.83
  5. Step 5: Solve for x
    x = 4,125,512,867,217.83/2,320,740.60
  6. Step 6: Final answer
    x = 1,777,670.83

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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.