Home / 3,857,754.90-5,786,947.89-1,937,678.82

Finding the Fourth Proportional to 3,857,754.90, 5,786,947.89 and 1,937,678.82

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Solution

The fourth proportional to 3,857,754.90, 5,786,947.89 and 1,937,678.82 is: 2,906,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,754.90 : 5,786,947.89 = 1,937,678.82 : x
  2. Step 2: Convert to fraction form
    3,857,754.90/5,786,947.89 = 1,937,678.82/x
  3. Step 3: Cross multiply
    3,857,754.90x = 5,786,947.89 × 1,937,678.82
  4. Step 4: Simplify right side
    3,857,754.90x = 11,213,246,358,896.69
  5. Step 5: Solve for x
    x = 11,213,246,358,896.69/3,857,754.90
  6. Step 6: Final answer
    x = 2,906,676.72

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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.