Home / 2,731,930.20-4,097,895.30-838,425.60

Finding the Fourth Proportional to 2,731,930.20, 4,097,895.30 and 838,425.60

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Solution

The fourth proportional to 2,731,930.20, 4,097,895.30 and 838,425.60 is: 1,257,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,930.20 : 4,097,895.30 = 838,425.60 : x
  2. Step 2: Convert to fraction form
    2,731,930.20/4,097,895.30 = 838,425.60/x
  3. Step 3: Cross multiply
    2,731,930.20x = 4,097,895.30 × 838,425.60
  4. Step 4: Simplify right side
    2,731,930.20x = 3,435,780,325,639.68
  5. Step 5: Solve for x
    x = 3,435,780,325,639.68/2,731,930.20
  6. Step 6: Final answer
    x = 1,257,638.40

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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.