Home / 2,856,631.38-4,284,972.18-726,717.78

Finding the Fourth Proportional to 2,856,631.38, 4,284,972.18 and 726,717.78

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Solution

The fourth proportional to 2,856,631.38, 4,284,972.18 and 726,717.78 is: 1,090,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,631.38 : 4,284,972.18 = 726,717.78 : x
  2. Step 2: Convert to fraction form
    2,856,631.38/4,284,972.18 = 726,717.78/x
  3. Step 3: Cross multiply
    2,856,631.38x = 4,284,972.18 × 726,717.78
  4. Step 4: Simplify right side
    2,856,631.38x = 3,113,965,470,011.36
  5. Step 5: Solve for x
    x = 3,113,965,470,011.36/2,856,631.38
  6. Step 6: Final answer
    x = 1,090,083.06

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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.