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Finding the Fourth Proportional to 2,667,748.70, 4,001,623.05 and 2,667,748.70

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Solution

The fourth proportional to 2,667,748.70, 4,001,623.05 and 2,667,748.70 is: 4,001,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,748.70 : 4,001,623.05 = 2,667,748.70 : x
  2. Step 2: Convert to fraction form
    2,667,748.70/4,001,623.05 = 2,667,748.70/x
  3. Step 3: Cross multiply
    2,667,748.70x = 4,001,623.05 × 2,667,748.70
  4. Step 4: Simplify right side
    2,667,748.70x = 10,675,324,689,527.54
  5. Step 5: Solve for x
    x = 10,675,324,689,527.54/2,667,748.70
  6. Step 6: Final answer
    x = 4,001,623.05

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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.