Home / 2,019,265.20-3,028,897.80-1,222,103.70

Finding the Fourth Proportional to 2,019,265.20, 3,028,897.80 and 1,222,103.70

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Solution

The fourth proportional to 2,019,265.20, 3,028,897.80 and 1,222,103.70 is: 1,833,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,265.20 : 3,028,897.80 = 1,222,103.70 : x
  2. Step 2: Convert to fraction form
    2,019,265.20/3,028,897.80 = 1,222,103.70/x
  3. Step 3: Cross multiply
    2,019,265.20x = 3,028,897.80 × 1,222,103.70
  4. Step 4: Simplify right side
    2,019,265.20x = 3,701,627,208,301.86
  5. Step 5: Solve for x
    x = 3,701,627,208,301.86/2,019,265.20
  6. Step 6: Final answer
    x = 1,833,155.55

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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.