Home / 5,168,998.48-7,754,421.10-1,757,105.78

Finding the Fourth Proportional to 5,168,998.48, 7,754,421.10 and 1,757,105.78

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Solution

The fourth proportional to 5,168,998.48, 7,754,421.10 and 1,757,105.78 is: 2,635,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,998.48 : 7,754,421.10 = 1,757,105.78 : x
  2. Step 2: Convert to fraction form
    5,168,998.48/7,754,421.10 = 1,757,105.78/x
  3. Step 3: Cross multiply
    5,168,998.48x = 7,754,421.10 × 1,757,105.78
  4. Step 4: Simplify right side
    5,168,998.48x = 13,625,338,135,363.96
  5. Step 5: Solve for x
    x = 13,625,338,135,363.96/5,168,998.48
  6. Step 6: Final answer
    x = 2,635,972.56

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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.