Home / 2,309,781.21-3,464,633.70-690,553.86

Finding the Fourth Proportional to 2,309,781.21, 3,464,633.70 and 690,553.86

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Solution

The fourth proportional to 2,309,781.21, 3,464,633.70 and 690,553.86 is: 1,035,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,781.21 : 3,464,633.70 = 690,553.86 : x
  2. Step 2: Convert to fraction form
    2,309,781.21/3,464,633.70 = 690,553.86/x
  3. Step 3: Cross multiply
    2,309,781.21x = 3,464,633.70 × 690,553.86
  4. Step 4: Simplify right side
    2,309,781.21x = 2,392,516,175,021.08
  5. Step 5: Solve for x
    x = 2,392,516,175,021.08/2,309,781.21
  6. Step 6: Final answer
    x = 1,035,819.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.