Home / 3,378,156.64-5,067,409.20-853,833.76

Finding the Fourth Proportional to 3,378,156.64, 5,067,409.20 and 853,833.76

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Solution

The fourth proportional to 3,378,156.64, 5,067,409.20 and 853,833.76 is: 1,280,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,156.64 : 5,067,409.20 = 853,833.76 : x
  2. Step 2: Convert to fraction form
    3,378,156.64/5,067,409.20 = 853,833.76/x
  3. Step 3: Cross multiply
    3,378,156.64x = 5,067,409.20 × 853,833.76
  4. Step 4: Simplify right side
    3,378,156.64x = 4,326,725,050,694.59
  5. Step 5: Solve for x
    x = 4,326,725,050,694.59/3,378,156.64
  6. Step 6: Final answer
    x = 1,280,794.68

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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.