Home / 2,667,881.40-4,002,405.30-870,847.80

Finding the Fourth Proportional to 2,667,881.40, 4,002,405.30 and 870,847.80

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Solution

The fourth proportional to 2,667,881.40, 4,002,405.30 and 870,847.80 is: 1,306,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,881.40 : 4,002,405.30 = 870,847.80 : x
  2. Step 2: Convert to fraction form
    2,667,881.40/4,002,405.30 = 870,847.80/x
  3. Step 3: Cross multiply
    2,667,881.40x = 4,002,405.30 × 870,847.80
  4. Step 4: Simplify right side
    2,667,881.40x = 3,485,485,850,213.34
  5. Step 5: Solve for x
    x = 3,485,485,850,213.34/2,667,881.40
  6. Step 6: Final answer
    x = 1,306,462.07

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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.