Home / 3,855,937.87-5,318,091.55-3,389,795.10

Finding the Fourth Proportional to 3,855,937.87, 5,318,091.55 and 3,389,795.10

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Solution

The fourth proportional to 3,855,937.87, 5,318,091.55 and 3,389,795.10 is: 4,675,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,937.87 : 5,318,091.55 = 3,389,795.10 : x
  2. Step 2: Convert to fraction form
    3,855,937.87/5,318,091.55 = 3,389,795.10/x
  3. Step 3: Cross multiply
    3,855,937.87x = 5,318,091.55 × 3,389,795.10
  4. Step 4: Simplify right side
    3,855,937.87x = 18,027,240,662,749.24
  5. Step 5: Solve for x
    x = 18,027,240,662,749.24/3,855,937.87
  6. Step 6: Final answer
    x = 4,675,189.61

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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.