Home / 2,115,623.70-3,172,269.15-852,023.70

Finding the Fourth Proportional to 2,115,623.70, 3,172,269.15 and 852,023.70

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Solution

The fourth proportional to 2,115,623.70, 3,172,269.15 and 852,023.70 is: 1,277,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,623.70 : 3,172,269.15 = 852,023.70 : x
  2. Step 2: Convert to fraction form
    2,115,623.70/3,172,269.15 = 852,023.70/x
  3. Step 3: Cross multiply
    2,115,623.70x = 3,172,269.15 × 852,023.70
  4. Step 4: Simplify right side
    2,115,623.70x = 2,702,848,498,578.86
  5. Step 5: Solve for x
    x = 2,702,848,498,578.86/2,115,623.70
  6. Step 6: Final answer
    x = 1,277,565.81

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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.