Home / 3,487,856.76-5,231,082.26-2,190,429.65

Finding the Fourth Proportional to 3,487,856.76, 5,231,082.26 and 2,190,429.65

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Solution

The fourth proportional to 3,487,856.76, 5,231,082.26 and 2,190,429.65 is: 3,285,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,856.76 : 5,231,082.26 = 2,190,429.65 : x
  2. Step 2: Convert to fraction form
    3,487,856.76/5,231,082.26 = 2,190,429.65/x
  3. Step 3: Cross multiply
    3,487,856.76x = 5,231,082.26 × 2,190,429.65
  4. Step 4: Simplify right side
    3,487,856.76x = 11,458,317,702,446.79
  5. Step 5: Solve for x
    x = 11,458,317,702,446.79/3,487,856.76
  6. Step 6: Final answer
    x = 3,285,203.06

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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.