Home / 6,449,644.42-9,675,866.31-1,961,803.78

Finding the Fourth Proportional to 6,449,644.42, 9,675,866.31 and 1,961,803.78

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Solution

The fourth proportional to 6,449,644.42, 9,675,866.31 and 1,961,803.78 is: 2,943,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449,644.42 : 9,675,866.31 = 1,961,803.78 : x
  2. Step 2: Convert to fraction form
    6,449,644.42/9,675,866.31 = 1,961,803.78/x
  3. Step 3: Cross multiply
    6,449,644.42x = 9,675,866.31 × 1,961,803.78
  4. Step 4: Simplify right side
    6,449,644.42x = 18,982,151,121,184.25
  5. Step 5: Solve for x
    x = 18,982,151,121,184.25/6,449,644.42
  6. Step 6: Final answer
    x = 2,943,131.42

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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.