Home / 2,238,749.06-3,357,135.38-640,949.54

Finding the Fourth Proportional to 2,238,749.06, 3,357,135.38 and 640,949.54

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Solution

The fourth proportional to 2,238,749.06, 3,357,135.38 and 640,949.54 is: 961,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,749.06 : 3,357,135.38 = 640,949.54 : x
  2. Step 2: Convert to fraction form
    2,238,749.06/3,357,135.38 = 640,949.54/x
  3. Step 3: Cross multiply
    2,238,749.06x = 3,357,135.38 × 640,949.54
  4. Step 4: Simplify right side
    2,238,749.06x = 2,151,754,357,538.30
  5. Step 5: Solve for x
    x = 2,151,754,357,538.30/2,238,749.06
  6. Step 6: Final answer
    x = 961,141.38

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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.