Home / 3,945,237.60-5,917,856.40-1,285,845.60

Finding the Fourth Proportional to 3,945,237.60, 5,917,856.40 and 1,285,845.60

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Solution

The fourth proportional to 3,945,237.60, 5,917,856.40 and 1,285,845.60 is: 1,928,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,237.60 : 5,917,856.40 = 1,285,845.60 : x
  2. Step 2: Convert to fraction form
    3,945,237.60/5,917,856.40 = 1,285,845.60/x
  3. Step 3: Cross multiply
    3,945,237.60x = 5,917,856.40 × 1,285,845.60
  4. Step 4: Simplify right side
    3,945,237.60x = 7,609,449,613,371.84
  5. Step 5: Solve for x
    x = 7,609,449,613,371.84/3,945,237.60
  6. Step 6: Final answer
    x = 1,928,768.40

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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.