Home / 3,963,806.40-5,945,709.60-1,123,881.60

Finding the Fourth Proportional to 3,963,806.40, 5,945,709.60 and 1,123,881.60

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Solution

The fourth proportional to 3,963,806.40, 5,945,709.60 and 1,123,881.60 is: 1,685,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,806.40 : 5,945,709.60 = 1,123,881.60 : x
  2. Step 2: Convert to fraction form
    3,963,806.40/5,945,709.60 = 1,123,881.60/x
  3. Step 3: Cross multiply
    3,963,806.40x = 5,945,709.60 × 1,123,881.60
  4. Step 4: Simplify right side
    3,963,806.40x = 6,682,273,618,383.36
  5. Step 5: Solve for x
    x = 6,682,273,618,383.36/3,963,806.40
  6. Step 6: Final answer
    x = 1,685,822.40

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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.