Home / 2,860,760.31-3,951,346.10-2,138,817.03

Finding the Fourth Proportional to 2,860,760.31, 3,951,346.10 and 2,138,817.03

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Solution

The fourth proportional to 2,860,760.31, 3,951,346.10 and 2,138,817.03 is: 2,954,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,760.31 : 3,951,346.10 = 2,138,817.03 : x
  2. Step 2: Convert to fraction form
    2,860,760.31/3,951,346.10 = 2,138,817.03/x
  3. Step 3: Cross multiply
    2,860,760.31x = 3,951,346.10 × 2,138,817.03
  4. Step 4: Simplify right side
    2,860,760.31x = 8,451,206,319,410.00
  5. Step 5: Solve for x
    x = 8,451,206,319,410.00/2,860,760.31
  6. Step 6: Final answer
    x = 2,954,181.90

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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.