Home / 6,405,820.25-8,839,768.48-3,828,921.89

Finding the Fourth Proportional to 6,405,820.25, 8,839,768.48 and 3,828,921.89

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Solution

The fourth proportional to 6,405,820.25, 8,839,768.48 and 3,828,921.89 is: 5,283,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,820.25 : 8,839,768.48 = 3,828,921.89 : x
  2. Step 2: Convert to fraction form
    6,405,820.25/8,839,768.48 = 3,828,921.89/x
  3. Step 3: Cross multiply
    6,405,820.25x = 8,839,768.48 × 3,828,921.89
  4. Step 4: Simplify right side
    6,405,820.25x = 33,846,782,981,832.88
  5. Step 5: Solve for x
    x = 33,846,782,981,832.88/6,405,820.25
  6. Step 6: Final answer
    x = 5,283,754.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.