Home / 2,617,785.67-3,926,727.11-820,628.95

Finding the Fourth Proportional to 2,617,785.67, 3,926,727.11 and 820,628.95

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Solution

The fourth proportional to 2,617,785.67, 3,926,727.11 and 820,628.95 is: 1,230,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,785.67 : 3,926,727.11 = 820,628.95 : x
  2. Step 2: Convert to fraction form
    2,617,785.67/3,926,727.11 = 820,628.95/x
  3. Step 3: Cross multiply
    2,617,785.67x = 3,926,727.11 × 820,628.95
  4. Step 4: Simplify right side
    2,617,785.67x = 3,222,385,945,215.83
  5. Step 5: Solve for x
    x = 3,222,385,945,215.83/2,617,785.67
  6. Step 6: Final answer
    x = 1,230,958.66

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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.