Home / 2,109,747.15-3,164,576.99-512,318.61

Finding the Fourth Proportional to 2,109,747.15, 3,164,576.99 and 512,318.61

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Solution

The fourth proportional to 2,109,747.15, 3,164,576.99 and 512,318.61 is: 768,467.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,747.15 : 3,164,576.99 = 512,318.61 : x
  2. Step 2: Convert to fraction form
    2,109,747.15/3,164,576.99 = 512,318.61/x
  3. Step 3: Cross multiply
    2,109,747.15x = 3,164,576.99 × 512,318.61
  4. Step 4: Simplify right side
    2,109,747.15x = 1,621,271,682,193.19
  5. Step 5: Solve for x
    x = 1,621,271,682,193.19/2,109,747.15
  6. Step 6: Final answer
    x = 768,467.29

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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.