Home / 2,020,694.28-3,028,417.02-821,220.78

Finding the Fourth Proportional to 2,020,694.28, 3,028,417.02 and 821,220.78

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Solution

The fourth proportional to 2,020,694.28, 3,028,417.02 and 821,220.78 is: 1,230,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,694.28 : 3,028,417.02 = 821,220.78 : x
  2. Step 2: Convert to fraction form
    2,020,694.28/3,028,417.02 = 821,220.78/x
  3. Step 3: Cross multiply
    2,020,694.28x = 3,028,417.02 × 821,220.78
  4. Step 4: Simplify right side
    2,020,694.28x = 2,486,998,987,329.68
  5. Step 5: Solve for x
    x = 2,486,998,987,329.68/2,020,694.28
  6. Step 6: Final answer
    x = 1,230,764.60

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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.