Home / 2,021,040.80-3,028,928.70-821,562.02

Finding the Fourth Proportional to 2,021,040.80, 3,028,928.70 and 821,562.02

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Solution

The fourth proportional to 2,021,040.80, 3,028,928.70 and 821,562.02 is: 1,231,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,040.80 : 3,028,928.70 = 821,562.02 : x
  2. Step 2: Convert to fraction form
    2,021,040.80/3,028,928.70 = 821,562.02/x
  3. Step 3: Cross multiply
    2,021,040.80x = 3,028,928.70 × 821,562.02
  4. Step 4: Simplify right side
    2,021,040.80x = 2,488,452,781,207.97
  5. Step 5: Solve for x
    x = 2,488,452,781,207.97/2,021,040.80
  6. Step 6: Final answer
    x = 1,231,272.91

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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.