Home / 3,171,850.87-4,377,037.08-1,721,515.16

Finding the Fourth Proportional to 3,171,850.87, 4,377,037.08 and 1,721,515.16

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Solution

The fourth proportional to 3,171,850.87, 4,377,037.08 and 1,721,515.16 is: 2,375,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,850.87 : 4,377,037.08 = 1,721,515.16 : x
  2. Step 2: Convert to fraction form
    3,171,850.87/4,377,037.08 = 1,721,515.16/x
  3. Step 3: Cross multiply
    3,171,850.87x = 4,377,037.08 × 1,721,515.16
  4. Step 4: Simplify right side
    3,171,850.87x = 7,535,135,697,924.45
  5. Step 5: Solve for x
    x = 7,535,135,697,924.45/3,171,850.87
  6. Step 6: Final answer
    x = 2,375,627.36

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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.