Home / 3,946,991.78-5,446,849.14-2,136,155.78

Finding the Fourth Proportional to 3,946,991.78, 5,446,849.14 and 2,136,155.78

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Solution

The fourth proportional to 3,946,991.78, 5,446,849.14 and 2,136,155.78 is: 2,947,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946,991.78 : 5,446,849.14 = 2,136,155.78 : x
  2. Step 2: Convert to fraction form
    3,946,991.78/5,446,849.14 = 2,136,155.78/x
  3. Step 3: Cross multiply
    3,946,991.78x = 5,446,849.14 × 2,136,155.78
  4. Step 4: Simplify right side
    3,946,991.78x = 11,635,318,273,199.03
  5. Step 5: Solve for x
    x = 11,635,318,273,199.03/3,946,991.78
  6. Step 6: Final answer
    x = 2,947,895.24

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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.