Home / 2,015,119.20-3,024,331.20-1,999,372.80

Finding the Fourth Proportional to 2,015,119.20, 3,024,331.20 and 1,999,372.80

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Solution

The fourth proportional to 2,015,119.20, 3,024,331.20 and 1,999,372.80 is: 3,000,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,119.20 : 3,024,331.20 = 1,999,372.80 : x
  2. Step 2: Convert to fraction form
    2,015,119.20/3,024,331.20 = 1,999,372.80/x
  3. Step 3: Cross multiply
    2,015,119.20x = 3,024,331.20 × 1,999,372.80
  4. Step 4: Simplify right side
    2,015,119.20x = 6,046,765,539,471.36
  5. Step 5: Solve for x
    x = 6,046,765,539,471.36/2,015,119.20
  6. Step 6: Final answer
    x = 3,000,698.69

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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.