Home / 2,079,761.80-3,119,642.70-731,913.70

Finding the Fourth Proportional to 2,079,761.80, 3,119,642.70 and 731,913.70

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Solution

The fourth proportional to 2,079,761.80, 3,119,642.70 and 731,913.70 is: 1,097,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,761.80 : 3,119,642.70 = 731,913.70 : x
  2. Step 2: Convert to fraction form
    2,079,761.80/3,119,642.70 = 731,913.70/x
  3. Step 3: Cross multiply
    2,079,761.80x = 3,119,642.70 × 731,913.70
  4. Step 4: Simplify right side
    2,079,761.80x = 2,283,309,231,234.99
  5. Step 5: Solve for x
    x = 2,283,309,231,234.99/2,079,761.80
  6. Step 6: Final answer
    x = 1,097,870.55

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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.