Home / 4,619,067-6,928,155.09-1,423,335.12

Finding the Fourth Proportional to 4,619,067, 6,928,155.09 and 1,423,335.12

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Solution

The fourth proportional to 4,619,067, 6,928,155.09 and 1,423,335.12 is: 2,134,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619,067 : 6,928,155.09 = 1,423,335.12 : x
  2. Step 2: Convert to fraction form
    4,619,067/6,928,155.09 = 1,423,335.12/x
  3. Step 3: Cross multiply
    4,619,067x = 6,928,155.09 × 1,423,335.12
  4. Step 4: Simplify right side
    4,619,067x = 9,861,086,456,403.76
  5. Step 5: Solve for x
    x = 9,861,086,456,403.76/4,619,067
  6. Step 6: Final answer
    x = 2,134,865.43

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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.