Home / 4,267,415.20-6,392,180.40-1,994,879.20

Finding the Fourth Proportional to 4,267,415.20, 6,392,180.40 and 1,994,879.20

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Solution

The fourth proportional to 4,267,415.20, 6,392,180.40 and 1,994,879.20 is: 2,988,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267,415.20 : 6,392,180.40 = 1,994,879.20 : x
  2. Step 2: Convert to fraction form
    4,267,415.20/6,392,180.40 = 1,994,879.20/x
  3. Step 3: Cross multiply
    4,267,415.20x = 6,392,180.40 × 1,994,879.20
  4. Step 4: Simplify right side
    4,267,415.20x = 12,751,627,722,607.68
  5. Step 5: Solve for x
    x = 12,751,627,722,607.68/4,267,415.20
  6. Step 6: Final answer
    x = 2,988,138.52

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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.