Home / 3,171,358.72-4,376,507.10-1,721,066.68

Finding the Fourth Proportional to 3,171,358.72, 4,376,507.10 and 1,721,066.68

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Solution

The fourth proportional to 3,171,358.72, 4,376,507.10 and 1,721,066.68 is: 2,375,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,358.72 : 4,376,507.10 = 1,721,066.68 : x
  2. Step 2: Convert to fraction form
    3,171,358.72/4,376,507.10 = 1,721,066.68/x
  3. Step 3: Cross multiply
    3,171,358.72x = 4,376,507.10 × 1,721,066.68
  4. Step 4: Simplify right side
    3,171,358.72x = 7,532,260,544,593.43
  5. Step 5: Solve for x
    x = 7,532,260,544,593.43/3,171,358.72
  6. Step 6: Final answer
    x = 2,375,089.42

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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.