Home / 3,856,920.29-5,785,429.64-2,658,520.84

Finding the Fourth Proportional to 3,856,920.29, 5,785,429.64 and 2,658,520.84

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Solution

The fourth proportional to 3,856,920.29, 5,785,429.64 and 2,658,520.84 is: 3,987,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,920.29 : 5,785,429.64 = 2,658,520.84 : x
  2. Step 2: Convert to fraction form
    3,856,920.29/5,785,429.64 = 2,658,520.84/x
  3. Step 3: Cross multiply
    3,856,920.29x = 5,785,429.64 × 2,658,520.84
  4. Step 4: Simplify right side
    3,856,920.29x = 15,380,685,258,476.43
  5. Step 5: Solve for x
    x = 15,380,685,258,476.43/3,856,920.29
  6. Step 6: Final answer
    x = 3,987,815.17

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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.