Home / 2,137,323.36-3,206,198.88-789,839.76

Finding the Fourth Proportional to 2,137,323.36, 3,206,198.88 and 789,839.76

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Solution

The fourth proportional to 2,137,323.36, 3,206,198.88 and 789,839.76 is: 1,184,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,323.36 : 3,206,198.88 = 789,839.76 : x
  2. Step 2: Convert to fraction form
    2,137,323.36/3,206,198.88 = 789,839.76/x
  3. Step 3: Cross multiply
    2,137,323.36x = 3,206,198.88 × 789,839.76
  4. Step 4: Simplify right side
    2,137,323.36x = 2,532,383,353,891.47
  5. Step 5: Solve for x
    x = 2,532,383,353,891.47/2,137,323.36
  6. Step 6: Final answer
    x = 1,184,838.66

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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.