Home / 4,485,475.58-6,729,243.68-1,290,628.22

Finding the Fourth Proportional to 4,485,475.58, 6,729,243.68 and 1,290,628.22

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Solution

The fourth proportional to 4,485,475.58, 6,729,243.68 and 1,290,628.22 is: 1,936,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485,475.58 : 6,729,243.68 = 1,290,628.22 : x
  2. Step 2: Convert to fraction form
    4,485,475.58/6,729,243.68 = 1,290,628.22/x
  3. Step 3: Cross multiply
    4,485,475.58x = 6,729,243.68 × 1,290,628.22
  4. Step 4: Simplify right side
    4,485,475.58x = 8,684,951,762,245.00
  5. Step 5: Solve for x
    x = 8,684,951,762,245.00/4,485,475.58
  6. Step 6: Final answer
    x = 1,936,238.78

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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.