Home / 2,381,992.87-3,287,170.20-1,294,264.45

Finding the Fourth Proportional to 2,381,992.87, 3,287,170.20 and 1,294,264.45

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Solution

The fourth proportional to 2,381,992.87, 3,287,170.20 and 1,294,264.45 is: 1,786,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,992.87 : 3,287,170.20 = 1,294,264.45 : x
  2. Step 2: Convert to fraction form
    2,381,992.87/3,287,170.20 = 1,294,264.45/x
  3. Step 3: Cross multiply
    2,381,992.87x = 3,287,170.20 × 1,294,264.45
  4. Step 4: Simplify right side
    2,381,992.87x = 4,254,467,530,959.39
  5. Step 5: Solve for x
    x = 4,254,467,530,959.39/2,381,992.87
  6. Step 6: Final answer
    x = 1,786,095.83

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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.