Home / 3,230,425.20-4,458,016.68-1,780,172.54

Finding the Fourth Proportional to 3,230,425.20, 4,458,016.68 and 1,780,172.54

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Solution

The fourth proportional to 3,230,425.20, 4,458,016.68 and 1,780,172.54 is: 2,456,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,425.20 : 4,458,016.68 = 1,780,172.54 : x
  2. Step 2: Convert to fraction form
    3,230,425.20/4,458,016.68 = 1,780,172.54/x
  3. Step 3: Cross multiply
    3,230,425.20x = 4,458,016.68 × 1,780,172.54
  4. Step 4: Simplify right side
    3,230,425.20x = 7,936,038,864,349.80
  5. Step 5: Solve for x
    x = 7,936,038,864,349.80/3,230,425.20
  6. Step 6: Final answer
    x = 2,456,654.58

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1.5x scale

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.