Home / 2,019,217.20-3,028,825.80-1,222,055.70

Finding the Fourth Proportional to 2,019,217.20, 3,028,825.80 and 1,222,055.70

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Solution

The fourth proportional to 2,019,217.20, 3,028,825.80 and 1,222,055.70 is: 1,833,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,217.20 : 3,028,825.80 = 1,222,055.70 : x
  2. Step 2: Convert to fraction form
    2,019,217.20/3,028,825.80 = 1,222,055.70/x
  3. Step 3: Cross multiply
    2,019,217.20x = 3,028,825.80 × 1,222,055.70
  4. Step 4: Simplify right side
    2,019,217.20x = 3,701,393,833,197.06
  5. Step 5: Solve for x
    x = 3,701,393,833,197.06/2,019,217.20
  6. Step 6: Final answer
    x = 1,833,083.55

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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.