Home / 3,086,721.57-4,630,321.94-927,578.15

Finding the Fourth Proportional to 3,086,721.57, 4,630,321.94 and 927,578.15

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Solution

The fourth proportional to 3,086,721.57, 4,630,321.94 and 927,578.15 is: 1,391,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,721.57 : 4,630,321.94 = 927,578.15 : x
  2. Step 2: Convert to fraction form
    3,086,721.57/4,630,321.94 = 927,578.15/x
  3. Step 3: Cross multiply
    3,086,721.57x = 4,630,321.94 × 927,578.15
  4. Step 4: Simplify right side
    3,086,721.57x = 4,294,985,448,583.82
  5. Step 5: Solve for x
    x = 4,294,985,448,583.82/3,086,721.57
  6. Step 6: Final answer
    x = 1,391,439.22

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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.