Home / 2,002,080.20-2,999,183.70-1,860,362.60

Finding the Fourth Proportional to 2,002,080.20, 2,999,183.70 and 1,860,362.60

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Solution

The fourth proportional to 2,002,080.20, 2,999,183.70 and 1,860,362.60 is: 2,786,885.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002,080.20 : 2,999,183.70 = 1,860,362.60 : x
  2. Step 2: Convert to fraction form
    2,002,080.20/2,999,183.70 = 1,860,362.60/x
  3. Step 3: Cross multiply
    2,002,080.20x = 2,999,183.70 × 1,860,362.60
  4. Step 4: Simplify right side
    2,002,080.20x = 5,579,569,186,009.62
  5. Step 5: Solve for x
    x = 5,579,569,186,009.62/2,002,080.20
  6. Step 6: Final answer
    x = 2,786,885.95

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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.