Home / 3,997,138.82-5,995,652.82-964,479.38

Finding the Fourth Proportional to 3,997,138.82, 5,995,652.82 and 964,479.38

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Solution

The fourth proportional to 3,997,138.82, 5,995,652.82 and 964,479.38 is: 1,446,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,138.82 : 5,995,652.82 = 964,479.38 : x
  2. Step 2: Convert to fraction form
    3,997,138.82/5,995,652.82 = 964,479.38/x
  3. Step 3: Cross multiply
    3,997,138.82x = 5,995,652.82 × 964,479.38
  4. Step 4: Simplify right side
    3,997,138.82x = 5,782,683,514,528.85
  5. Step 5: Solve for x
    x = 5,782,683,514,528.85/3,997,138.82
  6. Step 6: Final answer
    x = 1,446,705.70

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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.