Home / 3,079,376.80-4,619,065.20-2,133,815.20

Finding the Fourth Proportional to 3,079,376.80, 4,619,065.20 and 2,133,815.20

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Solution

The fourth proportional to 3,079,376.80, 4,619,065.20 and 2,133,815.20 is: 3,200,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,376.80 : 4,619,065.20 = 2,133,815.20 : x
  2. Step 2: Convert to fraction form
    3,079,376.80/4,619,065.20 = 2,133,815.20/x
  3. Step 3: Cross multiply
    3,079,376.80x = 4,619,065.20 × 2,133,815.20
  4. Step 4: Simplify right side
    3,079,376.80x = 9,856,231,533,551.04
  5. Step 5: Solve for x
    x = 9,856,231,533,551.04/3,079,376.80
  6. Step 6: Final answer
    x = 3,200,722.80

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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.