Home / 3,091,321.92-4,638,317.76-1,672,377.60

Finding the Fourth Proportional to 3,091,321.92, 4,638,317.76 and 1,672,377.60

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Solution

The fourth proportional to 3,091,321.92, 4,638,317.76 and 1,672,377.60 is: 2,509,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091,321.92 : 4,638,317.76 = 1,672,377.60 : x
  2. Step 2: Convert to fraction form
    3,091,321.92/4,638,317.76 = 1,672,377.60/x
  3. Step 3: Cross multiply
    3,091,321.92x = 4,638,317.76 × 1,672,377.60
  4. Step 4: Simplify right side
    3,091,321.92x = 7,757,018,723,506.18
  5. Step 5: Solve for x
    x = 7,757,018,723,506.18/3,091,321.92
  6. Step 6: Final answer
    x = 2,509,288.56

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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.