Home / 2,667,749.40-4,002,207.30-1,320,557.40

Finding the Fourth Proportional to 2,667,749.40, 4,002,207.30 and 1,320,557.40

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Solution

The fourth proportional to 2,667,749.40, 4,002,207.30 and 1,320,557.40 is: 1,981,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,749.40 : 4,002,207.30 = 1,320,557.40 : x
  2. Step 2: Convert to fraction form
    2,667,749.40/4,002,207.30 = 1,320,557.40/x
  3. Step 3: Cross multiply
    2,667,749.40x = 4,002,207.30 × 1,320,557.40
  4. Step 4: Simplify right side
    2,667,749.40x = 5,285,144,466,349.02
  5. Step 5: Solve for x
    x = 5,285,144,466,349.02/2,667,749.40
  6. Step 6: Final answer
    x = 1,981,124.79

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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.