Home / 2,138,211.41-2,950,735.32-1,171,320.62

Finding the Fourth Proportional to 2,138,211.41, 2,950,735.32 and 1,171,320.62

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Solution

The fourth proportional to 2,138,211.41, 2,950,735.32 and 1,171,320.62 is: 1,616,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,211.41 : 2,950,735.32 = 1,171,320.62 : x
  2. Step 2: Convert to fraction form
    2,138,211.41/2,950,735.32 = 1,171,320.62/x
  3. Step 3: Cross multiply
    2,138,211.41x = 2,950,735.32 × 1,171,320.62
  4. Step 4: Simplify right side
    2,138,211.41x = 3,456,257,109,724.62
  5. Step 5: Solve for x
    x = 3,456,257,109,724.62/2,138,211.41
  6. Step 6: Final answer
    x = 1,616,424.41

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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.