Home / 2,617,787.42-3,926,729.73-820,630.70

Finding the Fourth Proportional to 2,617,787.42, 3,926,729.73 and 820,630.70

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Solution

The fourth proportional to 2,617,787.42, 3,926,729.73 and 820,630.70 is: 1,230,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,787.42 : 3,926,729.73 = 820,630.70 : x
  2. Step 2: Convert to fraction form
    2,617,787.42/3,926,729.73 = 820,630.70/x
  3. Step 3: Cross multiply
    2,617,787.42x = 3,926,729.73 × 820,630.70
  4. Step 4: Simplify right side
    2,617,787.42x = 3,222,394,967,040.71
  5. Step 5: Solve for x
    x = 3,222,394,967,040.71/2,617,787.42
  6. Step 6: Final answer
    x = 1,230,961.29

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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.