Home / 3,787,214.10-5,226,361.29-2,155,621.43

Finding the Fourth Proportional to 3,787,214.10, 5,226,361.29 and 2,155,621.43

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Solution

The fourth proportional to 3,787,214.10, 5,226,361.29 and 2,155,621.43 is: 2,974,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,214.10 : 5,226,361.29 = 2,155,621.43 : x
  2. Step 2: Convert to fraction form
    3,787,214.10/5,226,361.29 = 2,155,621.43/x
  3. Step 3: Cross multiply
    3,787,214.10x = 5,226,361.29 × 2,155,621.43
  4. Step 4: Simplify right side
    3,787,214.10x = 11,266,056,397,646.45
  5. Step 5: Solve for x
    x = 11,266,056,397,646.45/3,787,214.10
  6. Step 6: Final answer
    x = 2,974,760.89

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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.