Home / 2,800,289.80-4,200,434.70-1,003,231.90

Finding the Fourth Proportional to 2,800,289.80, 4,200,434.70 and 1,003,231.90

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Solution

The fourth proportional to 2,800,289.80, 4,200,434.70 and 1,003,231.90 is: 1,504,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,289.80 : 4,200,434.70 = 1,003,231.90 : x
  2. Step 2: Convert to fraction form
    2,800,289.80/4,200,434.70 = 1,003,231.90/x
  3. Step 3: Cross multiply
    2,800,289.80x = 4,200,434.70 × 1,003,231.90
  4. Step 4: Simplify right side
    2,800,289.80x = 4,214,010,084,906.93
  5. Step 5: Solve for x
    x = 4,214,010,084,906.93/2,800,289.80
  6. Step 6: Final answer
    x = 1,504,847.85

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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.