Home / 1,539,791.08-2,123,857.38-1,003,972.84

Finding the Fourth Proportional to 1,539,791.08, 2,123,857.38 and 1,003,972.84

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Solution

The fourth proportional to 1,539,791.08, 2,123,857.38 and 1,003,972.84 is: 1,384,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,791.08 : 2,123,857.38 = 1,003,972.84 : x
  2. Step 2: Convert to fraction form
    1,539,791.08/2,123,857.38 = 1,003,972.84/x
  3. Step 3: Cross multiply
    1,539,791.08x = 2,123,857.38 × 1,003,972.84
  4. Step 4: Simplify right side
    1,539,791.08x = 2,132,295,125,553.56
  5. Step 5: Solve for x
    x = 2,132,295,125,553.56/1,539,791.08
  6. Step 6: Final answer
    x = 1,384,795.09

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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.