Home / 2,018,843.22-3,028,836.87-821,624.75

Finding the Fourth Proportional to 2,018,843.22, 3,028,836.87 and 821,624.75

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Solution

The fourth proportional to 2,018,843.22, 3,028,836.87 and 821,624.75 is: 1,232,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,843.22 : 3,028,836.87 = 821,624.75 : x
  2. Step 2: Convert to fraction form
    2,018,843.22/3,028,836.87 = 821,624.75/x
  3. Step 3: Cross multiply
    2,018,843.22x = 3,028,836.87 × 821,624.75
  4. Step 4: Simplify right side
    2,018,843.22x = 2,488,567,320,960.35
  5. Step 5: Solve for x
    x = 2,488,567,320,960.35/2,018,843.22
  6. Step 6: Final answer
    x = 1,232,669.93

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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.