Home / 2,731,723.20-4,097,584.80-1,311,436.80

Finding the Fourth Proportional to 2,731,723.20, 4,097,584.80 and 1,311,436.80

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Solution

The fourth proportional to 2,731,723.20, 4,097,584.80 and 1,311,436.80 is: 1,967,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,723.20 : 4,097,584.80 = 1,311,436.80 : x
  2. Step 2: Convert to fraction form
    2,731,723.20/4,097,584.80 = 1,311,436.80/x
  3. Step 3: Cross multiply
    2,731,723.20x = 4,097,584.80 × 1,311,436.80
  4. Step 4: Simplify right side
    2,731,723.20x = 5,373,723,497,840.64
  5. Step 5: Solve for x
    x = 5,373,723,497,840.64/2,731,723.20
  6. Step 6: Final answer
    x = 1,967,155.20

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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.