Home / 2,165,691.41-3,251,730.61-1,208,018.12

Finding the Fourth Proportional to 2,165,691.41, 3,251,730.61 and 1,208,018.12

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Solution

The fourth proportional to 2,165,691.41, 3,251,730.61 and 1,208,018.12 is: 1,813,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,691.41 : 3,251,730.61 = 1,208,018.12 : x
  2. Step 2: Convert to fraction form
    2,165,691.41/3,251,730.61 = 1,208,018.12/x
  3. Step 3: Cross multiply
    2,165,691.41x = 3,251,730.61 × 1,208,018.12
  4. Step 4: Simplify right side
    2,165,691.41x = 3,928,149,498,238.65
  5. Step 5: Solve for x
    x = 3,928,149,498,238.65/2,165,691.41
  6. Step 6: Final answer
    x = 1,813,808.50

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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.