Home / 3,171,664.56-4,376,928.60-1,721,372.88

Finding the Fourth Proportional to 3,171,664.56, 4,376,928.60 and 1,721,372.88

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Solution

The fourth proportional to 3,171,664.56, 4,376,928.60 and 1,721,372.88 is: 2,375,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,664.56 : 4,376,928.60 = 1,721,372.88 : x
  2. Step 2: Convert to fraction form
    3,171,664.56/4,376,928.60 = 1,721,372.88/x
  3. Step 3: Cross multiply
    3,171,664.56x = 4,376,928.60 × 1,721,372.88
  4. Step 4: Simplify right side
    3,171,664.56x = 7,534,326,189,736.37
  5. Step 5: Solve for x
    x = 7,534,326,189,736.37/3,171,664.56
  6. Step 6: Final answer
    x = 2,375,511.67

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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.