Home / 3,417,661.20-5,122,344.60-1,522,390.80

Finding the Fourth Proportional to 3,417,661.20, 5,122,344.60 and 1,522,390.80

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Solution

The fourth proportional to 3,417,661.20, 5,122,344.60 and 1,522,390.80 is: 2,281,738.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417,661.20 : 5,122,344.60 = 1,522,390.80 : x
  2. Step 2: Convert to fraction form
    3,417,661.20/5,122,344.60 = 1,522,390.80/x
  3. Step 3: Cross multiply
    3,417,661.20x = 5,122,344.60 × 1,522,390.80
  4. Step 4: Simplify right side
    3,417,661.20x = 7,798,210,293,469.68
  5. Step 5: Solve for x
    x = 7,798,210,293,469.68/3,417,661.20
  6. Step 6: Final answer
    x = 2,281,738.84

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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.