Home / 6,690,255.75-9,231,812.43-3,709,884.18

Finding the Fourth Proportional to 6,690,255.75, 9,231,812.43 and 3,709,884.18

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Solution

The fourth proportional to 6,690,255.75, 9,231,812.43 and 3,709,884.18 is: 5,119,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,255.75 : 9,231,812.43 = 3,709,884.18 : x
  2. Step 2: Convert to fraction form
    6,690,255.75/9,231,812.43 = 3,709,884.18/x
  3. Step 3: Cross multiply
    6,690,255.75x = 9,231,812.43 × 3,709,884.18
  4. Step 4: Simplify right side
    6,690,255.75x = 34,248,954,886,784.36
  5. Step 5: Solve for x
    x = 34,248,954,886,784.36/6,690,255.75
  6. Step 6: Final answer
    x = 5,119,229.54

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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.