Home / 2,647,349.77-3,970,501.78-727,765.68

Finding the Fourth Proportional to 2,647,349.77, 3,970,501.78 and 727,765.68

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Solution

The fourth proportional to 2,647,349.77, 3,970,501.78 and 727,765.68 is: 1,091,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,349.77 : 3,970,501.78 = 727,765.68 : x
  2. Step 2: Convert to fraction form
    2,647,349.77/3,970,501.78 = 727,765.68/x
  3. Step 3: Cross multiply
    2,647,349.77x = 3,970,501.78 × 727,765.68
  4. Step 4: Simplify right side
    2,647,349.77x = 2,889,594,924,224.08
  5. Step 5: Solve for x
    x = 2,889,594,924,224.08/2,647,349.77
  6. Step 6: Final answer
    x = 1,091,504.78

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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.