Home / 2,617,419.60-3,926,122.02-820,310.76

Finding the Fourth Proportional to 2,617,419.60, 3,926,122.02 and 820,310.76

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Solution

The fourth proportional to 2,617,419.60, 3,926,122.02 and 820,310.76 is: 1,230,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,419.60 : 3,926,122.02 = 820,310.76 : x
  2. Step 2: Convert to fraction form
    2,617,419.60/3,926,122.02 = 820,310.76/x
  3. Step 3: Cross multiply
    2,617,419.60x = 3,926,122.02 × 820,310.76
  4. Step 4: Simplify right side
    2,617,419.60x = 3,220,640,138,078.94
  5. Step 5: Solve for x
    x = 3,220,640,138,078.94/2,617,419.60
  6. Step 6: Final answer
    x = 1,230,463.83

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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.