Home / 1,998,787.81-2,993,377.58-1,143,265.81

Finding the Fourth Proportional to 1,998,787.81, 2,993,377.58 and 1,143,265.81

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Solution

The fourth proportional to 1,998,787.81, 2,993,377.58 and 1,143,265.81 is: 1,712,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,787.81 : 2,993,377.58 = 1,143,265.81 : x
  2. Step 2: Convert to fraction form
    1,998,787.81/2,993,377.58 = 1,143,265.81/x
  3. Step 3: Cross multiply
    1,998,787.81x = 2,993,377.58 × 1,143,265.81
  4. Step 4: Simplify right side
    1,998,787.81x = 3,422,226,237,918.21
  5. Step 5: Solve for x
    x = 3,422,226,237,918.21/1,998,787.81
  6. Step 6: Final answer
    x = 1,712,150.85

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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.