Home / 2,379,109.14-3,283,173.15-1,291,380.57

Finding the Fourth Proportional to 2,379,109.14, 3,283,173.15 and 1,291,380.57

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Solution

The fourth proportional to 2,379,109.14, 3,283,173.15 and 1,291,380.57 is: 1,782,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,109.14 : 3,283,173.15 = 1,291,380.57 : x
  2. Step 2: Convert to fraction form
    2,379,109.14/3,283,173.15 = 1,291,380.57/x
  3. Step 3: Cross multiply
    2,379,109.14x = 3,283,173.15 × 1,291,380.57
  4. Step 4: Simplify right side
    2,379,109.14x = 4,239,826,013,855.70
  5. Step 5: Solve for x
    x = 4,239,826,013,855.70/2,379,109.14
  6. Step 6: Final answer
    x = 1,782,106.56

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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.