Home / 3,917,999.80-5,876,999.70-2,648,956.60

Finding the Fourth Proportional to 3,917,999.80, 5,876,999.70 and 2,648,956.60

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Solution

The fourth proportional to 3,917,999.80, 5,876,999.70 and 2,648,956.60 is: 3,973,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,999.80 : 5,876,999.70 = 2,648,956.60 : x
  2. Step 2: Convert to fraction form
    3,917,999.80/5,876,999.70 = 2,648,956.60/x
  3. Step 3: Cross multiply
    3,917,999.80x = 5,876,999.70 × 2,648,956.60
  4. Step 4: Simplify right side
    3,917,999.80x = 15,567,917,143,513.02
  5. Step 5: Solve for x
    x = 15,567,917,143,513.02/3,917,999.80
  6. Step 6: Final answer
    x = 3,973,434.90

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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.