Home / 2,617,644.06-3,926,351.85-820,486.50

Finding the Fourth Proportional to 2,617,644.06, 3,926,351.85 and 820,486.50

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Solution

The fourth proportional to 2,617,644.06, 3,926,351.85 and 820,486.50 is: 1,230,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,644.06 : 3,926,351.85 = 820,486.50 : x
  2. Step 2: Convert to fraction form
    2,617,644.06/3,926,351.85 = 820,486.50/x
  3. Step 3: Cross multiply
    2,617,644.06x = 3,926,351.85 × 820,486.50
  4. Step 4: Simplify right side
    2,617,644.06x = 3,221,518,687,175.03
  5. Step 5: Solve for x
    x = 3,221,518,687,175.03/2,617,644.06
  6. Step 6: Final answer
    x = 1,230,693.94

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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.