Home / 2,002,078.20-2,999,180.70-1,860,360.60

Finding the Fourth Proportional to 2,002,078.20, 2,999,180.70 and 1,860,360.60

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Solution

The fourth proportional to 2,002,078.20, 2,999,180.70 and 1,860,360.60 is: 2,786,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002,078.20 : 2,999,180.70 = 1,860,360.60 : x
  2. Step 2: Convert to fraction form
    2,002,078.20/2,999,180.70 = 1,860,360.60/x
  3. Step 3: Cross multiply
    2,002,078.20x = 2,999,180.70 × 1,860,360.60
  4. Step 4: Simplify right side
    2,002,078.20x = 5,579,557,606,560.42
  5. Step 5: Solve for x
    x = 5,579,557,606,560.42/2,002,078.20
  6. Step 6: Final answer
    x = 2,786,882.95

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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.