Home / 2,181,658.18-3,271,392.40-1,271,134.90

Finding the Fourth Proportional to 2,181,658.18, 3,271,392.40 and 1,271,134.90

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Solution

The fourth proportional to 2,181,658.18, 3,271,392.40 and 1,271,134.90 is: 1,906,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,658.18 : 3,271,392.40 = 1,271,134.90 : x
  2. Step 2: Convert to fraction form
    2,181,658.18/3,271,392.40 = 1,271,134.90/x
  3. Step 3: Cross multiply
    2,181,658.18x = 3,271,392.40 × 1,271,134.90
  4. Step 4: Simplify right side
    2,181,658.18x = 4,158,381,056,912.92
  5. Step 5: Solve for x
    x = 4,158,381,056,912.92/2,181,658.18
  6. Step 6: Final answer
    x = 1,906,064.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.