Home / 3,150,459.60-4,728,022.20-2,085,147.60

Finding the Fourth Proportional to 3,150,459.60, 4,728,022.20 and 2,085,147.60

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Solution

The fourth proportional to 3,150,459.60, 4,728,022.20 and 2,085,147.60 is: 3,129,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,459.60 : 4,728,022.20 = 2,085,147.60 : x
  2. Step 2: Convert to fraction form
    3,150,459.60/4,728,022.20 = 2,085,147.60/x
  3. Step 3: Cross multiply
    3,150,459.60x = 4,728,022.20 × 2,085,147.60
  4. Step 4: Simplify right side
    3,150,459.60x = 9,858,624,143,076.72
  5. Step 5: Solve for x
    x = 9,858,624,143,076.72/3,150,459.60
  6. Step 6: Final answer
    x = 3,129,265.38

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1.5x scale

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.