Home / 2,184,374.72-3,278,037.44-764,443.20

Finding the Fourth Proportional to 2,184,374.72, 3,278,037.44 and 764,443.20

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Solution

The fourth proportional to 2,184,374.72, 3,278,037.44 and 764,443.20 is: 1,147,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184,374.72 : 3,278,037.44 = 764,443.20 : x
  2. Step 2: Convert to fraction form
    2,184,374.72/3,278,037.44 = 764,443.20/x
  3. Step 3: Cross multiply
    2,184,374.72x = 3,278,037.44 × 764,443.20
  4. Step 4: Simplify right side
    2,184,374.72x = 2,505,873,430,353.41
  5. Step 5: Solve for x
    x = 2,505,873,430,353.41/2,184,374.72
  6. Step 6: Final answer
    x = 1,147,181.12

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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.