Home / 2,285,283.78-3,153,917.12-1,305,369.21

Finding the Fourth Proportional to 2,285,283.78, 3,153,917.12 and 1,305,369.21

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Solution

The fourth proportional to 2,285,283.78, 3,153,917.12 and 1,305,369.21 is: 1,801,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,283.78 : 3,153,917.12 = 1,305,369.21 : x
  2. Step 2: Convert to fraction form
    2,285,283.78/3,153,917.12 = 1,305,369.21/x
  3. Step 3: Cross multiply
    2,285,283.78x = 3,153,917.12 × 1,305,369.21
  4. Step 4: Simplify right side
    2,285,283.78x = 4,117,026,313,436.75
  5. Step 5: Solve for x
    x = 4,117,026,313,436.75/2,285,283.78
  6. Step 6: Final answer
    x = 1,801,538.33

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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.