Home / 5,127,667.20-7,689,076.92-1,532,178.72

Finding the Fourth Proportional to 5,127,667.20, 7,689,076.92 and 1,532,178.72

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Solution

The fourth proportional to 5,127,667.20, 7,689,076.92 and 1,532,178.72 is: 2,297,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127,667.20 : 7,689,076.92 = 1,532,178.72 : x
  2. Step 2: Convert to fraction form
    5,127,667.20/7,689,076.92 = 1,532,178.72/x
  3. Step 3: Cross multiply
    5,127,667.20x = 7,689,076.92 × 1,532,178.72
  4. Step 4: Simplify right side
    5,127,667.20x = 11,781,040,033,267.14
  5. Step 5: Solve for x
    x = 11,781,040,033,267.14/5,127,667.20
  6. Step 6: Final answer
    x = 2,297,543.81

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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.