Home / 2,800,920.15-4,203,453.83-1,119,230.55

Finding the Fourth Proportional to 2,800,920.15, 4,203,453.83 and 1,119,230.55

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Solution

The fourth proportional to 2,800,920.15, 4,203,453.83 and 1,119,230.55 is: 1,679,674.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,920.15 : 4,203,453.83 = 1,119,230.55 : x
  2. Step 2: Convert to fraction form
    2,800,920.15/4,203,453.83 = 1,119,230.55/x
  3. Step 3: Cross multiply
    2,800,920.15x = 4,203,453.83 × 1,119,230.55
  4. Step 4: Simplify right side
    2,800,920.15x = 4,704,633,936,454.35
  5. Step 5: Solve for x
    x = 4,704,633,936,454.35/2,800,920.15
  6. Step 6: Final answer
    x = 1,679,674.42

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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.