Home / 5,719,999.20-7,893,663.68-3,141,740

Finding the Fourth Proportional to 5,719,999.20, 7,893,663.68 and 3,141,740

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Solution

The fourth proportional to 5,719,999.20, 7,893,663.68 and 3,141,740 is: 4,335,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719,999.20 : 7,893,663.68 = 3,141,740 : x
  2. Step 2: Convert to fraction form
    5,719,999.20/7,893,663.68 = 3,141,740/x
  3. Step 3: Cross multiply
    5,719,999.20x = 7,893,663.68 × 3,141,740
  4. Step 4: Simplify right side
    5,719,999.20x = 24,799,838,930,003.20
  5. Step 5: Solve for x
    x = 24,799,838,930,003.20/5,719,999.20
  6. Step 6: Final answer
    x = 4,335,636.78

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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.