Home / 2,018,812.20-3,028,218.30-1,021,410.60

Finding the Fourth Proportional to 2,018,812.20, 3,028,218.30 and 1,021,410.60

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Solution

The fourth proportional to 2,018,812.20, 3,028,218.30 and 1,021,410.60 is: 1,532,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,812.20 : 3,028,218.30 = 1,021,410.60 : x
  2. Step 2: Convert to fraction form
    2,018,812.20/3,028,218.30 = 1,021,410.60/x
  3. Step 3: Cross multiply
    2,018,812.20x = 3,028,218.30 × 1,021,410.60
  4. Step 4: Simplify right side
    2,018,812.20x = 3,093,054,270,733.98
  5. Step 5: Solve for x
    x = 3,093,054,270,733.98/2,018,812.20
  6. Step 6: Final answer
    x = 1,532,115.90

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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.