Home / 2,731,927.20-4,097,890.80-838,422.60

Finding the Fourth Proportional to 2,731,927.20, 4,097,890.80 and 838,422.60

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Solution

The fourth proportional to 2,731,927.20, 4,097,890.80 and 838,422.60 is: 1,257,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,927.20 : 4,097,890.80 = 838,422.60 : x
  2. Step 2: Convert to fraction form
    2,731,927.20/4,097,890.80 = 838,422.60/x
  3. Step 3: Cross multiply
    2,731,927.20x = 4,097,890.80 × 838,422.60
  4. Step 4: Simplify right side
    2,731,927.20x = 3,435,764,259,052.08
  5. Step 5: Solve for x
    x = 3,435,764,259,052.08/2,731,927.20
  6. Step 6: Final answer
    x = 1,257,633.90

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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.