Home / 2,331,857.38-3,217,920-1,271,008.96

Finding the Fourth Proportional to 2,331,857.38, 3,217,920 and 1,271,008.96

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Solution

The fourth proportional to 2,331,857.38, 3,217,920 and 1,271,008.96 is: 1,753,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331,857.38 : 3,217,920 = 1,271,008.96 : x
  2. Step 2: Convert to fraction form
    2,331,857.38/3,217,920 = 1,271,008.96/x
  3. Step 3: Cross multiply
    2,331,857.38x = 3,217,920 × 1,271,008.96
  4. Step 4: Simplify right side
    2,331,857.38x = 4,090,005,152,563.20
  5. Step 5: Solve for x
    x = 4,090,005,152,563.20/2,331,857.38
  6. Step 6: Final answer
    x = 1,753,968.83

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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.