Home / 2,198,011.80-3,297,017.70-1,237,481.40

Finding the Fourth Proportional to 2,198,011.80, 3,297,017.70 and 1,237,481.40

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Solution

The fourth proportional to 2,198,011.80, 3,297,017.70 and 1,237,481.40 is: 1,856,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,011.80 : 3,297,017.70 = 1,237,481.40 : x
  2. Step 2: Convert to fraction form
    2,198,011.80/3,297,017.70 = 1,237,481.40/x
  3. Step 3: Cross multiply
    2,198,011.80x = 3,297,017.70 × 1,237,481.40
  4. Step 4: Simplify right side
    2,198,011.80x = 4,079,998,079,220.78
  5. Step 5: Solve for x
    x = 4,079,998,079,220.78/2,198,011.80
  6. Step 6: Final answer
    x = 1,856,222.10

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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.