Home / 2,178,786.54-3,268,180.12-581,355.56

Finding the Fourth Proportional to 2,178,786.54, 3,268,180.12 and 581,355.56

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Solution

The fourth proportional to 2,178,786.54, 3,268,180.12 and 581,355.56 is: 872,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,786.54 : 3,268,180.12 = 581,355.56 : x
  2. Step 2: Convert to fraction form
    2,178,786.54/3,268,180.12 = 581,355.56/x
  3. Step 3: Cross multiply
    2,178,786.54x = 3,268,180.12 × 581,355.56
  4. Step 4: Simplify right side
    2,178,786.54x = 1,899,974,683,843.47
  5. Step 5: Solve for x
    x = 1,899,974,683,843.47/2,178,786.54
  6. Step 6: Final answer
    x = 872,033.42

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1.5x scale

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.