Home / 3,834,115.76-5,291,050.20-2,115,308.72

Finding the Fourth Proportional to 3,834,115.76, 5,291,050.20 and 2,115,308.72

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Solution

The fourth proportional to 3,834,115.76, 5,291,050.20 and 2,115,308.72 is: 2,919,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,115.76 : 5,291,050.20 = 2,115,308.72 : x
  2. Step 2: Convert to fraction form
    3,834,115.76/5,291,050.20 = 2,115,308.72/x
  3. Step 3: Cross multiply
    3,834,115.76x = 5,291,050.20 × 2,115,308.72
  4. Step 4: Simplify right side
    3,834,115.76x = 11,192,204,626,017.75
  5. Step 5: Solve for x
    x = 11,192,204,626,017.75/3,834,115.76
  6. Step 6: Final answer
    x = 2,919,109.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.