Home / 2,178,786.87-3,268,180.58-581,355.90

Finding the Fourth Proportional to 2,178,786.87, 3,268,180.58 and 581,355.90

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Solution

The fourth proportional to 2,178,786.87, 3,268,180.58 and 581,355.90 is: 872,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,786.87 : 3,268,180.58 = 581,355.90 : x
  2. Step 2: Convert to fraction form
    2,178,786.87/3,268,180.58 = 581,355.90/x
  3. Step 3: Cross multiply
    2,178,786.87x = 3,268,180.58 × 581,355.90
  4. Step 4: Simplify right side
    2,178,786.87x = 1,899,976,059,541.64
  5. Step 5: Solve for x
    x = 1,899,976,059,541.64/2,178,786.87
  6. Step 6: Final answer
    x = 872,033.92

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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.