Home / 6,405,856.80-8,839,818.54-3,828,958.44

Finding the Fourth Proportional to 6,405,856.80, 8,839,818.54 and 3,828,958.44

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Solution

The fourth proportional to 6,405,856.80, 8,839,818.54 and 3,828,958.44 is: 5,283,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,856.80 : 8,839,818.54 = 3,828,958.44 : x
  2. Step 2: Convert to fraction form
    6,405,856.80/8,839,818.54 = 3,828,958.44/x
  3. Step 3: Cross multiply
    6,405,856.80x = 8,839,818.54 × 3,828,958.44
  4. Step 4: Simplify right side
    6,405,856.80x = 33,847,297,806,801.47
  5. Step 5: Solve for x
    x = 33,847,297,806,801.47/6,405,856.80
  6. Step 6: Final answer
    x = 5,283,804.94

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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.