Home / 2,800,288.80-4,200,433.20-1,003,230.90

Finding the Fourth Proportional to 2,800,288.80, 4,200,433.20 and 1,003,230.90

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Solution

The fourth proportional to 2,800,288.80, 4,200,433.20 and 1,003,230.90 is: 1,504,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,288.80 : 4,200,433.20 = 1,003,230.90 : x
  2. Step 2: Convert to fraction form
    2,800,288.80/4,200,433.20 = 1,003,230.90/x
  3. Step 3: Cross multiply
    2,800,288.80x = 4,200,433.20 × 1,003,230.90
  4. Step 4: Simplify right side
    2,800,288.80x = 4,214,004,379,625.88
  5. Step 5: Solve for x
    x = 4,214,004,379,625.88/2,800,288.80
  6. Step 6: Final answer
    x = 1,504,846.35

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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.