Home / 3,855,181.44-5,320,182.08-2,136,330.66

Finding the Fourth Proportional to 3,855,181.44, 5,320,182.08 and 2,136,330.66

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Solution

The fourth proportional to 3,855,181.44, 5,320,182.08 and 2,136,330.66 is: 2,948,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,181.44 : 5,320,182.08 = 2,136,330.66 : x
  2. Step 2: Convert to fraction form
    3,855,181.44/5,320,182.08 = 2,136,330.66/x
  3. Step 3: Cross multiply
    3,855,181.44x = 5,320,182.08 × 2,136,330.66
  4. Step 4: Simplify right side
    3,855,181.44x = 11,365,668,099,627.40
  5. Step 5: Solve for x
    x = 11,365,668,099,627.40/3,855,181.44
  6. Step 6: Final answer
    x = 2,948,153.87

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1.5x scale

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.