Home / 3,856,170.78-5,321,423.52-2,137,254.48

Finding the Fourth Proportional to 3,856,170.78, 5,321,423.52 and 2,137,254.48

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Solution

The fourth proportional to 3,856,170.78, 5,321,423.52 and 2,137,254.48 is: 2,949,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,170.78 : 5,321,423.52 = 2,137,254.48 : x
  2. Step 2: Convert to fraction form
    3,856,170.78/5,321,423.52 = 2,137,254.48/x
  3. Step 3: Cross multiply
    3,856,170.78x = 5,321,423.52 × 2,137,254.48
  4. Step 4: Simplify right side
    3,856,170.78x = 11,373,236,258,097.37
  5. Step 5: Solve for x
    x = 11,373,236,258,097.37/3,856,170.78
  6. Step 6: Final answer
    x = 2,949,360.11

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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.