Home / 2,872,769.52-4,309,147.08-851,170.80

Finding the Fourth Proportional to 2,872,769.52, 4,309,147.08 and 851,170.80

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Solution

The fourth proportional to 2,872,769.52, 4,309,147.08 and 851,170.80 is: 1,276,754.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,769.52 : 4,309,147.08 = 851,170.80 : x
  2. Step 2: Convert to fraction form
    2,872,769.52/4,309,147.08 = 851,170.80/x
  3. Step 3: Cross multiply
    2,872,769.52x = 4,309,147.08 × 851,170.80
  4. Step 4: Simplify right side
    2,872,769.52x = 3,667,820,167,401.26
  5. Step 5: Solve for x
    x = 3,667,820,167,401.26/2,872,769.52
  6. Step 6: Final answer
    x = 1,276,754.07

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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.