Home / 2,018,768.20-3,029,804.70-2,003,021.80

Finding the Fourth Proportional to 2,018,768.20, 3,029,804.70 and 2,003,021.80

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Solution

The fourth proportional to 2,018,768.20, 3,029,804.70 and 2,003,021.80 is: 3,006,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,768.20 : 3,029,804.70 = 2,003,021.80 : x
  2. Step 2: Convert to fraction form
    2,018,768.20/3,029,804.70 = 2,003,021.80/x
  3. Step 3: Cross multiply
    2,018,768.20x = 3,029,804.70 × 2,003,021.80
  4. Step 4: Simplify right side
    2,018,768.20x = 6,068,764,863,842.46
  5. Step 5: Solve for x
    x = 6,068,764,863,842.46/2,018,768.20
  6. Step 6: Final answer
    x = 3,006,172.21

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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.