Home / 2,131,364.60-3,199,322.78-917,542

Finding the Fourth Proportional to 2,131,364.60, 3,199,322.78 and 917,542

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Solution

The fourth proportional to 2,131,364.60, 3,199,322.78 and 917,542 is: 1,377,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,364.60 : 3,199,322.78 = 917,542 : x
  2. Step 2: Convert to fraction form
    2,131,364.60/3,199,322.78 = 917,542/x
  3. Step 3: Cross multiply
    2,131,364.60x = 3,199,322.78 × 917,542
  4. Step 4: Simplify right side
    2,131,364.60x = 2,935,513,022,206.76
  5. Step 5: Solve for x
    x = 2,935,513,022,206.76/2,131,364.60
  6. Step 6: Final answer
    x = 1,377,292.76

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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.