Home / 2,769,781.32-4,149,151.02-1,820,273.40

Finding the Fourth Proportional to 2,769,781.32, 4,149,151.02 and 1,820,273.40

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Solution

The fourth proportional to 2,769,781.32, 4,149,151.02 and 1,820,273.40 is: 2,726,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769,781.32 : 4,149,151.02 = 1,820,273.40 : x
  2. Step 2: Convert to fraction form
    2,769,781.32/4,149,151.02 = 1,820,273.40/x
  3. Step 3: Cross multiply
    2,769,781.32x = 4,149,151.02 × 1,820,273.40
  4. Step 4: Simplify right side
    2,769,781.32x = 7,552,589,234,288.87
  5. Step 5: Solve for x
    x = 7,552,589,234,288.87/2,769,781.32
  6. Step 6: Final answer
    x = 2,726,781.78

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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.