Home / 5,436,856.26-8,155,099.65-1,393,383.78

Finding the Fourth Proportional to 5,436,856.26, 8,155,099.65 and 1,393,383.78

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Solution

The fourth proportional to 5,436,856.26, 8,155,099.65 and 1,393,383.78 is: 2,090,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436,856.26 : 8,155,099.65 = 1,393,383.78 : x
  2. Step 2: Convert to fraction form
    5,436,856.26/8,155,099.65 = 1,393,383.78/x
  3. Step 3: Cross multiply
    5,436,856.26x = 8,155,099.65 × 1,393,383.78
  4. Step 4: Simplify right side
    5,436,856.26x = 11,363,183,576,593.68
  5. Step 5: Solve for x
    x = 11,363,183,576,593.68/5,436,856.26
  6. Step 6: Final answer
    x = 2,090,028.32

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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.