Home / 2,198,732.70-3,034,435.23-1,218,911.34

Finding the Fourth Proportional to 2,198,732.70, 3,034,435.23 and 1,218,911.34

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Solution

The fourth proportional to 2,198,732.70, 3,034,435.23 and 1,218,911.34 is: 1,682,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,732.70 : 3,034,435.23 = 1,218,911.34 : x
  2. Step 2: Convert to fraction form
    2,198,732.70/3,034,435.23 = 1,218,911.34/x
  3. Step 3: Cross multiply
    2,198,732.70x = 3,034,435.23 × 1,218,911.34
  4. Step 4: Simplify right side
    2,198,732.70x = 3,698,707,512,342.51
  5. Step 5: Solve for x
    x = 3,698,707,512,342.51/2,198,732.70
  6. Step 6: Final answer
    x = 1,682,199.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.