Home / 2,172,956.70-3,260,601.45-910,911.90

Finding the Fourth Proportional to 2,172,956.70, 3,260,601.45 and 910,911.90

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Solution

The fourth proportional to 2,172,956.70, 3,260,601.45 and 910,911.90 is: 1,366,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,956.70 : 3,260,601.45 = 910,911.90 : x
  2. Step 2: Convert to fraction form
    2,172,956.70/3,260,601.45 = 910,911.90/x
  3. Step 3: Cross multiply
    2,172,956.70x = 3,260,601.45 × 910,911.90
  4. Step 4: Simplify right side
    2,172,956.70x = 2,970,120,661,962.26
  5. Step 5: Solve for x
    x = 2,970,120,661,962.26/2,172,956.70
  6. Step 6: Final answer
    x = 1,366,856.81

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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.