Home / 2,131,366.60-3,199,325.80-917,544

Finding the Fourth Proportional to 2,131,366.60, 3,199,325.80 and 917,544

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Solution

The fourth proportional to 2,131,366.60, 3,199,325.80 and 917,544 is: 1,377,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,366.60 : 3,199,325.80 = 917,544 : x
  2. Step 2: Convert to fraction form
    2,131,366.60/3,199,325.80 = 917,544/x
  3. Step 3: Cross multiply
    2,131,366.60x = 3,199,325.80 × 917,544
  4. Step 4: Simplify right side
    2,131,366.60x = 2,935,522,191,835.20
  5. Step 5: Solve for x
    x = 2,935,522,191,835.20/2,131,366.60
  6. Step 6: Final answer
    x = 1,377,295.76

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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.