Home / 2,813,107.72-3,887,238.18-2,047,832.68

Finding the Fourth Proportional to 2,813,107.72, 3,887,238.18 and 2,047,832.68

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Solution

The fourth proportional to 2,813,107.72, 3,887,238.18 and 2,047,832.68 is: 2,829,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,107.72 : 3,887,238.18 = 2,047,832.68 : x
  2. Step 2: Convert to fraction form
    2,813,107.72/3,887,238.18 = 2,047,832.68/x
  3. Step 3: Cross multiply
    2,813,107.72x = 3,887,238.18 × 2,047,832.68
  4. Step 4: Simplify right side
    2,813,107.72x = 7,960,413,379,947.72
  5. Step 5: Solve for x
    x = 7,960,413,379,947.72/2,813,107.72
  6. Step 6: Final answer
    x = 2,829,757.75

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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.