Home / 2,667,465.28-4,009,868.16-2,140,757.76

Finding the Fourth Proportional to 2,667,465.28, 4,009,868.16 and 2,140,757.76

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Solution

The fourth proportional to 2,667,465.28, 4,009,868.16 and 2,140,757.76 is: 3,218,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,465.28 : 4,009,868.16 = 2,140,757.76 : x
  2. Step 2: Convert to fraction form
    2,667,465.28/4,009,868.16 = 2,140,757.76/x
  3. Step 3: Cross multiply
    2,667,465.28x = 4,009,868.16 × 2,140,757.76
  4. Step 4: Simplify right side
    2,667,465.28x = 8,584,156,380,096.92
  5. Step 5: Solve for x
    x = 8,584,156,380,096.92/2,667,465.28
  6. Step 6: Final answer
    x = 3,218,094.89

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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.