Home / 2,055,411.45-3,078,983.66-1,155,504.69

Finding the Fourth Proportional to 2,055,411.45, 3,078,983.66 and 1,155,504.69

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Solution

The fourth proportional to 2,055,411.45, 3,078,983.66 and 1,155,504.69 is: 1,730,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,411.45 : 3,078,983.66 = 1,155,504.69 : x
  2. Step 2: Convert to fraction form
    2,055,411.45/3,078,983.66 = 1,155,504.69/x
  3. Step 3: Cross multiply
    2,055,411.45x = 3,078,983.66 × 1,155,504.69
  4. Step 4: Simplify right side
    2,055,411.45x = 3,557,780,053,785.84
  5. Step 5: Solve for x
    x = 3,557,780,053,785.84/2,055,411.45
  6. Step 6: Final answer
    x = 1,730,933.27

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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.