Home / 3,943,709.76-5,442,319.46-2,132,873.76

Finding the Fourth Proportional to 3,943,709.76, 5,442,319.46 and 2,132,873.76

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Solution

The fourth proportional to 3,943,709.76, 5,442,319.46 and 2,132,873.76 is: 2,943,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,709.76 : 5,442,319.46 = 2,132,873.76 : x
  2. Step 2: Convert to fraction form
    3,943,709.76/5,442,319.46 = 2,132,873.76/x
  3. Step 3: Cross multiply
    3,943,709.76x = 5,442,319.46 × 2,132,873.76
  4. Step 4: Simplify right side
    3,943,709.76x = 11,607,780,369,771.37
  5. Step 5: Solve for x
    x = 11,607,780,369,771.37/3,943,709.76
  6. Step 6: Final answer
    x = 2,943,365.78

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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.