Home / 3,415,605.20-5,119,260.60-1,520,334.80

Finding the Fourth Proportional to 3,415,605.20, 5,119,260.60 and 1,520,334.80

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Solution

The fourth proportional to 3,415,605.20, 5,119,260.60 and 1,520,334.80 is: 2,278,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,605.20 : 5,119,260.60 = 1,520,334.80 : x
  2. Step 2: Convert to fraction form
    3,415,605.20/5,119,260.60 = 1,520,334.80/x
  3. Step 3: Cross multiply
    3,415,605.20x = 5,119,260.60 × 1,520,334.80
  4. Step 4: Simplify right side
    3,415,605.20x = 7,782,990,040,448.88
  5. Step 5: Solve for x
    x = 7,782,990,040,448.88/3,415,605.20
  6. Step 6: Final answer
    x = 2,278,656.22

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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.