Home / 2,791,501.20-4,187,251.80-770,057.10

Finding the Fourth Proportional to 2,791,501.20, 4,187,251.80 and 770,057.10

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Solution

The fourth proportional to 2,791,501.20, 4,187,251.80 and 770,057.10 is: 1,155,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,501.20 : 4,187,251.80 = 770,057.10 : x
  2. Step 2: Convert to fraction form
    2,791,501.20/4,187,251.80 = 770,057.10/x
  3. Step 3: Cross multiply
    2,791,501.20x = 4,187,251.80 × 770,057.10
  4. Step 4: Simplify right side
    2,791,501.20x = 3,224,422,978,077.78
  5. Step 5: Solve for x
    x = 3,224,422,978,077.78/2,791,501.20
  6. Step 6: Final answer
    x = 1,155,085.65

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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.