Home / 2,945,539.20-4,415,198.40-1,680,643.20

Finding the Fourth Proportional to 2,945,539.20, 4,415,198.40 and 1,680,643.20

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Solution

The fourth proportional to 2,945,539.20, 4,415,198.40 and 1,680,643.20 is: 2,519,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,539.20 : 4,415,198.40 = 1,680,643.20 : x
  2. Step 2: Convert to fraction form
    2,945,539.20/4,415,198.40 = 1,680,643.20/x
  3. Step 3: Cross multiply
    2,945,539.20x = 4,415,198.40 × 1,680,643.20
  4. Step 4: Simplify right side
    2,945,539.20x = 7,420,373,167,610.88
  5. Step 5: Solve for x
    x = 7,420,373,167,610.88/2,945,539.20
  6. Step 6: Final answer
    x = 2,519,190.09

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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.