Home / 2,018,725.20-3,029,740.20-2,002,978.80

Finding the Fourth Proportional to 2,018,725.20, 3,029,740.20 and 2,002,978.80

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Solution

The fourth proportional to 2,018,725.20, 3,029,740.20 and 2,002,978.80 is: 3,006,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,725.20 : 3,029,740.20 = 2,002,978.80 : x
  2. Step 2: Convert to fraction form
    2,018,725.20/3,029,740.20 = 2,002,978.80/x
  3. Step 3: Cross multiply
    2,018,725.20x = 3,029,740.20 × 2,002,978.80
  4. Step 4: Simplify right side
    2,018,725.20x = 6,068,505,390,107.76
  5. Step 5: Solve for x
    x = 6,068,505,390,107.76/2,018,725.20
  6. Step 6: Final answer
    x = 3,006,107.71

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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.