Home / 2,667,979.06-4,002,079.32-774,720.50

Finding the Fourth Proportional to 2,667,979.06, 4,002,079.32 and 774,720.50

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Solution

The fourth proportional to 2,667,979.06, 4,002,079.32 and 774,720.50 is: 1,162,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,979.06 : 4,002,079.32 = 774,720.50 : x
  2. Step 2: Convert to fraction form
    2,667,979.06/4,002,079.32 = 774,720.50/x
  3. Step 3: Cross multiply
    2,667,979.06x = 4,002,079.32 × 774,720.50
  4. Step 4: Simplify right side
    2,667,979.06x = 3,100,492,894,331.36
  5. Step 5: Solve for x
    x = 3,100,492,894,331.36/2,667,979.06
  6. Step 6: Final answer
    x = 1,162,112.90

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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.