Home / 2,161,564.92-3,242,699.72-665,656.92

Finding the Fourth Proportional to 2,161,564.92, 3,242,699.72 and 665,656.92

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Solution

The fourth proportional to 2,161,564.92, 3,242,699.72 and 665,656.92 is: 998,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,564.92 : 3,242,699.72 = 665,656.92 : x
  2. Step 2: Convert to fraction form
    2,161,564.92/3,242,699.72 = 665,656.92/x
  3. Step 3: Cross multiply
    2,161,564.92x = 3,242,699.72 × 665,656.92
  4. Step 4: Simplify right side
    2,161,564.92x = 2,158,525,508,100.06
  5. Step 5: Solve for x
    x = 2,158,525,508,100.06/2,161,564.92
  6. Step 6: Final answer
    x = 998,593.88

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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.