Home / 3,954,143.48-5,456,712.78-2,143,307

Finding the Fourth Proportional to 3,954,143.48, 5,456,712.78 and 2,143,307

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Solution

The fourth proportional to 3,954,143.48, 5,456,712.78 and 2,143,307 is: 2,957,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954,143.48 : 5,456,712.78 = 2,143,307 : x
  2. Step 2: Convert to fraction form
    3,954,143.48/5,456,712.78 = 2,143,307/x
  3. Step 3: Cross multiply
    3,954,143.48x = 5,456,712.78 × 2,143,307
  4. Step 4: Simplify right side
    3,954,143.48x = 11,695,410,698,363.46
  5. Step 5: Solve for x
    x = 11,695,410,698,363.46/3,954,143.48
  6. Step 6: Final answer
    x = 2,957,760.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.