Home / 3,179,765.76-4,388,073.60-1,821,644.16

Finding the Fourth Proportional to 3,179,765.76, 4,388,073.60 and 1,821,644.16

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Solution

The fourth proportional to 3,179,765.76, 4,388,073.60 and 1,821,644.16 is: 2,513,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,765.76 : 4,388,073.60 = 1,821,644.16 : x
  2. Step 2: Convert to fraction form
    3,179,765.76/4,388,073.60 = 1,821,644.16/x
  3. Step 3: Cross multiply
    3,179,765.76x = 4,388,073.60 × 1,821,644.16
  4. Step 4: Simplify right side
    3,179,765.76x = 7,993,508,647,090.18
  5. Step 5: Solve for x
    x = 7,993,508,647,090.18/3,179,765.76
  6. Step 6: Final answer
    x = 2,513,867.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.