Home / 2,379,329.24-3,568,238.12-781,520.40

Finding the Fourth Proportional to 2,379,329.24, 3,568,238.12 and 781,520.40

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Solution

The fourth proportional to 2,379,329.24, 3,568,238.12 and 781,520.40 is: 1,172,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,329.24 : 3,568,238.12 = 781,520.40 : x
  2. Step 2: Convert to fraction form
    2,379,329.24/3,568,238.12 = 781,520.40/x
  3. Step 3: Cross multiply
    2,379,329.24x = 3,568,238.12 × 781,520.40
  4. Step 4: Simplify right side
    2,379,329.24x = 2,788,650,884,791.45
  5. Step 5: Solve for x
    x = 2,788,650,884,791.45/2,379,329.24
  6. Step 6: Final answer
    x = 1,172,032.37

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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.