Home / 2,055,395.70-3,078,960.12-1,155,488.94

Finding the Fourth Proportional to 2,055,395.70, 3,078,960.12 and 1,155,488.94

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Solution

The fourth proportional to 2,055,395.70, 3,078,960.12 and 1,155,488.94 is: 1,730,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,395.70 : 3,078,960.12 = 1,155,488.94 : x
  2. Step 2: Convert to fraction form
    2,055,395.70/3,078,960.12 = 1,155,488.94/x
  3. Step 3: Cross multiply
    2,055,395.70x = 3,078,960.12 × 1,155,488.94
  4. Step 4: Simplify right side
    2,055,395.70x = 3,557,704,365,361.07
  5. Step 5: Solve for x
    x = 3,557,704,365,361.07/2,055,395.70
  6. Step 6: Final answer
    x = 1,730,909.71

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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.