Home / 3,179,481.46-4,387,642.02-1,729,145.68

Finding the Fourth Proportional to 3,179,481.46, 4,387,642.02 and 1,729,145.68

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Solution

The fourth proportional to 3,179,481.46, 4,387,642.02 and 1,729,145.68 is: 2,386,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,481.46 : 4,387,642.02 = 1,729,145.68 : x
  2. Step 2: Convert to fraction form
    3,179,481.46/4,387,642.02 = 1,729,145.68/x
  3. Step 3: Cross multiply
    3,179,481.46x = 4,387,642.02 × 1,729,145.68
  4. Step 4: Simplify right side
    3,179,481.46x = 7,586,872,233,300.37
  5. Step 5: Solve for x
    x = 7,586,872,233,300.37/3,179,481.46
  6. Step 6: Final answer
    x = 2,386,197.98

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