Home / 3,440,125.56-5,131,162.68-2,987,285.34

Finding the Fourth Proportional to 3,440,125.56, 5,131,162.68 and 2,987,285.34

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Solution

The fourth proportional to 3,440,125.56, 5,131,162.68 and 2,987,285.34 is: 4,455,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,125.56 : 5,131,162.68 = 2,987,285.34 : x
  2. Step 2: Convert to fraction form
    3,440,125.56/5,131,162.68 = 2,987,285.34/x
  3. Step 3: Cross multiply
    3,440,125.56x = 5,131,162.68 × 2,987,285.34
  4. Step 4: Simplify right side
    3,440,125.56x = 15,328,247,051,119.11
  5. Step 5: Solve for x
    x = 15,328,247,051,119.11/3,440,125.56
  6. Step 6: Final answer
    x = 4,455,723.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.