Home / 2,285,838.66-3,428,758.05-769,394.61

Finding the Fourth Proportional to 2,285,838.66, 3,428,758.05 and 769,394.61

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Solution

The fourth proportional to 2,285,838.66, 3,428,758.05 and 769,394.61 is: 1,154,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,838.66 : 3,428,758.05 = 769,394.61 : x
  2. Step 2: Convert to fraction form
    2,285,838.66/3,428,758.05 = 769,394.61/x
  3. Step 3: Cross multiply
    2,285,838.66x = 3,428,758.05 × 769,394.61
  4. Step 4: Simplify right side
    2,285,838.66x = 2,638,067,962,664.11
  5. Step 5: Solve for x
    x = 2,638,067,962,664.11/2,285,838.66
  6. Step 6: Final answer
    x = 1,154,091.94

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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.