Home / 5,121,731.72-7,067,383.44-3,056,364.56

Finding the Fourth Proportional to 5,121,731.72, 7,067,383.44 and 3,056,364.56

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Solution

The fourth proportional to 5,121,731.72, 7,067,383.44 and 3,056,364.56 is: 4,217,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,731.72 : 7,067,383.44 = 3,056,364.56 : x
  2. Step 2: Convert to fraction form
    5,121,731.72/7,067,383.44 = 3,056,364.56/x
  3. Step 3: Cross multiply
    5,121,731.72x = 7,067,383.44 × 3,056,364.56
  4. Step 4: Simplify right side
    5,121,731.72x = 21,600,500,277,946.89
  5. Step 5: Solve for x
    x = 21,600,500,277,946.89/5,121,731.72
  6. Step 6: Final answer
    x = 4,217,421.27

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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.