Home / 3,921,856.64-5,883,123.82-1,081,968.79

Finding the Fourth Proportional to 3,921,856.64, 5,883,123.82 and 1,081,968.79

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Solution

The fourth proportional to 3,921,856.64, 5,883,123.82 and 1,081,968.79 is: 1,623,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,856.64 : 5,883,123.82 = 1,081,968.79 : x
  2. Step 2: Convert to fraction form
    3,921,856.64/5,883,123.82 = 1,081,968.79/x
  3. Step 3: Cross multiply
    3,921,856.64x = 5,883,123.82 × 1,081,968.79
  4. Step 4: Simplify right side
    3,921,856.64x = 6,365,356,360,945.58
  5. Step 5: Solve for x
    x = 6,365,356,360,945.58/3,921,856.64
  6. Step 6: Final answer
    x = 1,623,046.67

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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.