Home / 4,002,078.05-5,522,869.42-2,166,536.30

Finding the Fourth Proportional to 4,002,078.05, 5,522,869.42 and 2,166,536.30

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Solution

The fourth proportional to 4,002,078.05, 5,522,869.42 and 2,166,536.30 is: 2,989,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002,078.05 : 5,522,869.42 = 2,166,536.30 : x
  2. Step 2: Convert to fraction form
    4,002,078.05/5,522,869.42 = 2,166,536.30/x
  3. Step 3: Cross multiply
    4,002,078.05x = 5,522,869.42 × 2,166,536.30
  4. Step 4: Simplify right side
    4,002,078.05x = 11,965,497,057,746.02
  5. Step 5: Solve for x
    x = 11,965,497,057,746.02/4,002,078.05
  6. Step 6: Final answer
    x = 2,989,821.01

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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.