Home / 3,940,801.20-5,906,536.20-1,666,321.20

Finding the Fourth Proportional to 3,940,801.20, 5,906,536.20 and 1,666,321.20

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Solution

The fourth proportional to 3,940,801.20, 5,906,536.20 and 1,666,321.20 is: 2,497,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,801.20 : 5,906,536.20 = 1,666,321.20 : x
  2. Step 2: Convert to fraction form
    3,940,801.20/5,906,536.20 = 1,666,321.20/x
  3. Step 3: Cross multiply
    3,940,801.20x = 5,906,536.20 × 1,666,321.20
  4. Step 4: Simplify right side
    3,940,801.20x = 9,842,186,488,627.44
  5. Step 5: Solve for x
    x = 9,842,186,488,627.44/3,940,801.20
  6. Step 6: Final answer
    x = 2,497,509.01

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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.