Home / 3,946,981.12-5,446,849.92-2,136,144.64

Finding the Fourth Proportional to 3,946,981.12, 5,446,849.92 and 2,136,144.64

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Solution

The fourth proportional to 3,946,981.12, 5,446,849.92 and 2,136,144.64 is: 2,947,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,981.12 : 5,446,849.92 = 2,136,144.64 : x
  2. Step 2: Convert to fraction form
    3,946,981.12/5,446,849.92 = 2,136,144.64/x
  3. Step 3: Cross multiply
    3,946,981.12x = 5,446,849.92 × 2,136,144.64
  4. Step 4: Simplify right side
    3,946,981.12x = 11,635,259,261,492.43
  5. Step 5: Solve for x
    x = 11,635,259,261,492.43/3,946,981.12
  6. Step 6: Final answer
    x = 2,947,888.25

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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.