Home / 2,021,067.36-3,028,968.36-821,588.52

Finding the Fourth Proportional to 2,021,067.36, 3,028,968.36 and 821,588.52

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Solution

The fourth proportional to 2,021,067.36, 3,028,968.36 and 821,588.52 is: 1,231,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,067.36 : 3,028,968.36 = 821,588.52 : x
  2. Step 2: Convert to fraction form
    2,021,067.36/3,028,968.36 = 821,588.52/x
  3. Step 3: Cross multiply
    2,021,067.36x = 3,028,968.36 × 821,588.52
  4. Step 4: Simplify right side
    2,021,067.36x = 2,488,565,632,019.23
  5. Step 5: Solve for x
    x = 2,488,565,632,019.23/2,021,067.36
  6. Step 6: Final answer
    x = 1,231,312.56

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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.