Home / 2,138,994.82-3,206,333.25-1,340,836.87

Finding the Fourth Proportional to 2,138,994.82, 3,206,333.25 and 1,340,836.87

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Solution

The fourth proportional to 2,138,994.82, 3,206,333.25 and 1,340,836.87 is: 2,009,901.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,994.82 : 3,206,333.25 = 1,340,836.87 : x
  2. Step 2: Convert to fraction form
    2,138,994.82/3,206,333.25 = 1,340,836.87/x
  3. Step 3: Cross multiply
    2,138,994.82x = 3,206,333.25 × 1,340,836.87
  4. Step 4: Simplify right side
    2,138,994.82x = 4,299,169,826,199.40
  5. Step 5: Solve for x
    x = 4,299,169,826,199.40/2,138,994.82
  6. Step 6: Final answer
    x = 2,009,901.94

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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.