Home / 2,258,511.71-3,387,769.72-1,858,311.21

Finding the Fourth Proportional to 2,258,511.71, 3,387,769.72 and 1,858,311.21

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Solution

The fourth proportional to 2,258,511.71, 3,387,769.72 and 1,858,311.21 is: 2,787,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,511.71 : 3,387,769.72 = 1,858,311.21 : x
  2. Step 2: Convert to fraction form
    2,258,511.71/3,387,769.72 = 1,858,311.21/x
  3. Step 3: Cross multiply
    2,258,511.71x = 3,387,769.72 × 1,858,311.21
  4. Step 4: Simplify right side
    2,258,511.71x = 6,295,530,447,574.56
  5. Step 5: Solve for x
    x = 6,295,530,447,574.56/2,258,511.71
  6. Step 6: Final answer
    x = 2,787,468.59

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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.