Home / 2,800,947.40-4,201,682.46-2,170,568.68

Finding the Fourth Proportional to 2,800,947.40, 4,201,682.46 and 2,170,568.68

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Solution

The fourth proportional to 2,800,947.40, 4,201,682.46 and 2,170,568.68 is: 3,256,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,947.40 : 4,201,682.46 = 2,170,568.68 : x
  2. Step 2: Convert to fraction form
    2,800,947.40/4,201,682.46 = 2,170,568.68/x
  3. Step 3: Cross multiply
    2,800,947.40x = 4,201,682.46 × 2,170,568.68
  4. Step 4: Simplify right side
    2,800,947.40x = 9,120,040,350,981.35
  5. Step 5: Solve for x
    x = 9,120,040,350,981.35/2,800,947.40
  6. Step 6: Final answer
    x = 3,256,055.56

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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.