Home / 3,400,983.81-4,693,206.29-1,949,638.77

Finding the Fourth Proportional to 3,400,983.81, 4,693,206.29 and 1,949,638.77

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Solution

The fourth proportional to 3,400,983.81, 4,693,206.29 and 1,949,638.77 is: 2,690,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,983.81 : 4,693,206.29 = 1,949,638.77 : x
  2. Step 2: Convert to fraction form
    3,400,983.81/4,693,206.29 = 1,949,638.77/x
  3. Step 3: Cross multiply
    3,400,983.81x = 4,693,206.29 × 1,949,638.77
  4. Step 4: Simplify right side
    3,400,983.81x = 9,150,056,928,843.67
  5. Step 5: Solve for x
    x = 9,150,056,928,843.67/3,400,983.81
  6. Step 6: Final answer
    x = 2,690,414.73

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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.