Home / 2,617,335.72-3,926,004.06-820,218.60

Finding the Fourth Proportional to 2,617,335.72, 3,926,004.06 and 820,218.60

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Solution

The fourth proportional to 2,617,335.72, 3,926,004.06 and 820,218.60 is: 1,230,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,335.72 : 3,926,004.06 = 820,218.60 : x
  2. Step 2: Convert to fraction form
    2,617,335.72/3,926,004.06 = 820,218.60/x
  3. Step 3: Cross multiply
    2,617,335.72x = 3,926,004.06 × 820,218.60
  4. Step 4: Simplify right side
    2,617,335.72x = 3,220,181,553,687.52
  5. Step 5: Solve for x
    x = 3,220,181,553,687.52/2,617,335.72
  6. Step 6: Final answer
    x = 1,230,328.05

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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.