Home / 3,329,947.20-4,994,920.80-1,200,100.80

Finding the Fourth Proportional to 3,329,947.20, 4,994,920.80 and 1,200,100.80

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Solution

The fourth proportional to 3,329,947.20, 4,994,920.80 and 1,200,100.80 is: 1,800,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329,947.20 : 4,994,920.80 = 1,200,100.80 : x
  2. Step 2: Convert to fraction form
    3,329,947.20/4,994,920.80 = 1,200,100.80/x
  3. Step 3: Cross multiply
    3,329,947.20x = 4,994,920.80 × 1,200,100.80
  4. Step 4: Simplify right side
    3,329,947.20x = 5,994,408,448,016.64
  5. Step 5: Solve for x
    x = 5,994,408,448,016.64/3,329,947.20
  6. Step 6: Final answer
    x = 1,800,151.20

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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.