Home / 3,230,425.30-4,458,016.81-1,780,172.63

Finding the Fourth Proportional to 3,230,425.30, 4,458,016.81 and 1,780,172.63

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Solution

The fourth proportional to 3,230,425.30, 4,458,016.81 and 1,780,172.63 is: 2,456,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,425.30 : 4,458,016.81 = 1,780,172.63 : x
  2. Step 2: Convert to fraction form
    3,230,425.30/4,458,016.81 = 1,780,172.63/x
  3. Step 3: Cross multiply
    3,230,425.30x = 4,458,016.81 × 1,780,172.63
  4. Step 4: Simplify right side
    3,230,425.30x = 7,936,039,515,936.52
  5. Step 5: Solve for x
    x = 7,936,039,515,936.52/3,230,425.30
  6. Step 6: Final answer
    x = 2,456,654.71

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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.