Home / 3,918,884.76-5,407,691.22-2,199,669.48

Finding the Fourth Proportional to 3,918,884.76, 5,407,691.22 and 2,199,669.48

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Solution

The fourth proportional to 3,918,884.76, 5,407,691.22 and 2,199,669.48 is: 3,035,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,884.76 : 5,407,691.22 = 2,199,669.48 : x
  2. Step 2: Convert to fraction form
    3,918,884.76/5,407,691.22 = 2,199,669.48/x
  3. Step 3: Cross multiply
    3,918,884.76x = 5,407,691.22 × 2,199,669.48
  4. Step 4: Simplify right side
    3,918,884.76x = 11,895,133,333,897.96
  5. Step 5: Solve for x
    x = 11,895,133,333,897.96/3,918,884.76
  6. Step 6: Final answer
    x = 3,035,336.34

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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.