Home / 3,928,404.95-5,890,889.22-1,981,935.65

Finding the Fourth Proportional to 3,928,404.95, 5,890,889.22 and 1,981,935.65

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Solution

The fourth proportional to 3,928,404.95, 5,890,889.22 and 1,981,935.65 is: 2,972,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,404.95 : 5,890,889.22 = 1,981,935.65 : x
  2. Step 2: Convert to fraction form
    3,928,404.95/5,890,889.22 = 1,981,935.65/x
  3. Step 3: Cross multiply
    3,928,404.95x = 5,890,889.22 × 1,981,935.65
  4. Step 4: Simplify right side
    3,928,404.95x = 11,675,363,325,864.25
  5. Step 5: Solve for x
    x = 11,675,363,325,864.25/3,928,404.95
  6. Step 6: Final answer
    x = 2,972,036.61

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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.