Home / 3,115,021.20-4,667,501.70-1,763,163.60

Finding the Fourth Proportional to 3,115,021.20, 4,667,501.70 and 1,763,163.60

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Solution

The fourth proportional to 3,115,021.20, 4,667,501.70 and 1,763,163.60 is: 2,641,898.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,021.20 : 4,667,501.70 = 1,763,163.60 : x
  2. Step 2: Convert to fraction form
    3,115,021.20/4,667,501.70 = 1,763,163.60/x
  3. Step 3: Cross multiply
    3,115,021.20x = 4,667,501.70 × 1,763,163.60
  4. Step 4: Simplify right side
    3,115,021.20x = 8,229,569,100,378.12
  5. Step 5: Solve for x
    x = 8,229,569,100,378.12/3,115,021.20
  6. Step 6: Final answer
    x = 2,641,898.26

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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.