Home / 2,693,781.40-4,042,640.40-1,896,619.90

Finding the Fourth Proportional to 2,693,781.40, 4,042,640.40 and 1,896,619.90

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Solution

The fourth proportional to 2,693,781.40, 4,042,640.40 and 1,896,619.90 is: 2,846,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693,781.40 : 4,042,640.40 = 1,896,619.90 : x
  2. Step 2: Convert to fraction form
    2,693,781.40/4,042,640.40 = 1,896,619.90/x
  3. Step 3: Cross multiply
    2,693,781.40x = 4,042,640.40 × 1,896,619.90
  4. Step 4: Simplify right side
    2,693,781.40x = 7,667,352,231,183.96
  5. Step 5: Solve for x
    x = 7,667,352,231,183.96/2,693,781.40
  6. Step 6: Final answer
    x = 2,846,315.68

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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.