Home / 3,811,571.28-5,258,468.10-2,179,101.54

Finding the Fourth Proportional to 3,811,571.28, 5,258,468.10 and 2,179,101.54

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Solution

The fourth proportional to 3,811,571.28, 5,258,468.10 and 2,179,101.54 is: 3,006,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,571.28 : 5,258,468.10 = 2,179,101.54 : x
  2. Step 2: Convert to fraction form
    3,811,571.28/5,258,468.10 = 2,179,101.54/x
  3. Step 3: Cross multiply
    3,811,571.28x = 5,258,468.10 × 2,179,101.54
  4. Step 4: Simplify right side
    3,811,571.28x = 11,458,735,934,750.87
  5. Step 5: Solve for x
    x = 11,458,735,934,750.87/3,811,571.28
  6. Step 6: Final answer
    x = 3,006,302.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.