Home / 3,259,531.20-4,879,965.60-1,999,819.20

Finding the Fourth Proportional to 3,259,531.20, 4,879,965.60 and 1,999,819.20

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Solution

The fourth proportional to 3,259,531.20, 4,879,965.60 and 1,999,819.20 is: 2,994,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,531.20 : 4,879,965.60 = 1,999,819.20 : x
  2. Step 2: Convert to fraction form
    3,259,531.20/4,879,965.60 = 1,999,819.20/x
  3. Step 3: Cross multiply
    3,259,531.20x = 4,879,965.60 × 1,999,819.20
  4. Step 4: Simplify right side
    3,259,531.20x = 9,759,048,902,219.52
  5. Step 5: Solve for x
    x = 9,759,048,902,219.52/3,259,531.20
  6. Step 6: Final answer
    x = 2,994,003.83

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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.