Home / 3,781,728-5,672,641.41-1,257,383.25

Finding the Fourth Proportional to 3,781,728, 5,672,641.41 and 1,257,383.25

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Solution

The fourth proportional to 3,781,728, 5,672,641.41 and 1,257,383.25 is: 1,886,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,728 : 5,672,641.41 = 1,257,383.25 : x
  2. Step 2: Convert to fraction form
    3,781,728/5,672,641.41 = 1,257,383.25/x
  3. Step 3: Cross multiply
    3,781,728x = 5,672,641.41 × 1,257,383.25
  4. Step 4: Simplify right side
    3,781,728x = 7,132,684,292,190.38
  5. Step 5: Solve for x
    x = 7,132,684,292,190.38/3,781,728
  6. Step 6: Final answer
    x = 1,886,091.30

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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.