Home / 2,100,076.57-3,151,338.24-885,578.77

Finding the Fourth Proportional to 2,100,076.57, 3,151,338.24 and 885,578.77

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Solution

The fourth proportional to 2,100,076.57, 3,151,338.24 and 885,578.77 is: 1,328,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,076.57 : 3,151,338.24 = 885,578.77 : x
  2. Step 2: Convert to fraction form
    2,100,076.57/3,151,338.24 = 885,578.77/x
  3. Step 3: Cross multiply
    2,100,076.57x = 3,151,338.24 × 885,578.77
  4. Step 4: Simplify right side
    2,100,076.57x = 2,790,758,242,433.17
  5. Step 5: Solve for x
    x = 2,790,758,242,433.17/2,100,076.57
  6. Step 6: Final answer
    x = 1,328,884.04

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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.