Home / 2,856,677.31-3,937,305.11-2,722,143.87

Finding the Fourth Proportional to 2,856,677.31, 3,937,305.11 and 2,722,143.87

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Solution

The fourth proportional to 2,856,677.31, 3,937,305.11 and 2,722,143.87 is: 3,751,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,677.31 : 3,937,305.11 = 2,722,143.87 : x
  2. Step 2: Convert to fraction form
    2,856,677.31/3,937,305.11 = 2,722,143.87/x
  3. Step 3: Cross multiply
    2,856,677.31x = 3,937,305.11 × 2,722,143.87
  4. Step 4: Simplify right side
    2,856,677.31x = 10,717,910,955,895.46
  5. Step 5: Solve for x
    x = 10,717,910,955,895.46/2,856,677.31
  6. Step 6: Final answer
    x = 3,751,880.17

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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.