Home / 2,557,781.44-3,836,580.96-638,703.36

Finding the Fourth Proportional to 2,557,781.44, 3,836,580.96 and 638,703.36

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Solution

The fourth proportional to 2,557,781.44, 3,836,580.96 and 638,703.36 is: 958,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,781.44 : 3,836,580.96 = 638,703.36 : x
  2. Step 2: Convert to fraction form
    2,557,781.44/3,836,580.96 = 638,703.36/x
  3. Step 3: Cross multiply
    2,557,781.44x = 3,836,580.96 × 638,703.36
  4. Step 4: Simplify right side
    2,557,781.44x = 2,450,437,150,064.03
  5. Step 5: Solve for x
    x = 2,450,437,150,064.03/2,557,781.44
  6. Step 6: Final answer
    x = 958,032.27

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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.