Home / 3,780,156.65-5,214,296.99-2,419,667.69

Finding the Fourth Proportional to 3,780,156.65, 5,214,296.99 and 2,419,667.69

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Solution

The fourth proportional to 3,780,156.65, 5,214,296.99 and 2,419,667.69 is: 3,337,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,156.65 : 5,214,296.99 = 2,419,667.69 : x
  2. Step 2: Convert to fraction form
    3,780,156.65/5,214,296.99 = 2,419,667.69/x
  3. Step 3: Cross multiply
    3,780,156.65x = 5,214,296.99 × 2,419,667.69
  4. Step 4: Simplify right side
    3,780,156.65x = 12,616,865,940,668.92
  5. Step 5: Solve for x
    x = 12,616,865,940,668.92/3,780,156.65
  6. Step 6: Final answer
    x = 3,337,656.90

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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.