Home / 2,018,755.28-3,028,940.76-820,769.60

Finding the Fourth Proportional to 2,018,755.28, 3,028,940.76 and 820,769.60

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Solution

The fourth proportional to 2,018,755.28, 3,028,940.76 and 820,769.60 is: 1,231,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,755.28 : 3,028,940.76 = 820,769.60 : x
  2. Step 2: Convert to fraction form
    2,018,755.28/3,028,940.76 = 820,769.60/x
  3. Step 3: Cross multiply
    2,018,755.28x = 3,028,940.76 × 820,769.60
  4. Step 4: Simplify right side
    2,018,755.28x = 2,486,062,496,008.90
  5. Step 5: Solve for x
    x = 2,486,062,496,008.90/2,018,755.28
  6. Step 6: Final answer
    x = 1,231,482.85

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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.