Home / 5,185,956.63-7,156,734.81-2,862,843.78

Finding the Fourth Proportional to 5,185,956.63, 7,156,734.81 and 2,862,843.78

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Solution

The fourth proportional to 5,185,956.63, 7,156,734.81 and 2,862,843.78 is: 3,950,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,956.63 : 7,156,734.81 = 2,862,843.78 : x
  2. Step 2: Convert to fraction form
    5,185,956.63/7,156,734.81 = 2,862,843.78/x
  3. Step 3: Cross multiply
    5,185,956.63x = 7,156,734.81 × 2,862,843.78
  4. Step 4: Simplify right side
    5,185,956.63x = 20,488,613,735,917.98
  5. Step 5: Solve for x
    x = 20,488,613,735,917.98/5,185,956.63
  6. Step 6: Final answer
    x = 3,950,787.71

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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.