Home / 2,768,140.88-3,820,145.52-1,544,553.28

Finding the Fourth Proportional to 2,768,140.88, 3,820,145.52 and 1,544,553.28

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Solution

The fourth proportional to 2,768,140.88, 3,820,145.52 and 1,544,553.28 is: 2,131,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,140.88 : 3,820,145.52 = 1,544,553.28 : x
  2. Step 2: Convert to fraction form
    2,768,140.88/3,820,145.52 = 1,544,553.28/x
  3. Step 3: Cross multiply
    2,768,140.88x = 3,820,145.52 × 1,544,553.28
  4. Step 4: Simplify right side
    2,768,140.88x = 5,900,418,292,993.31
  5. Step 5: Solve for x
    x = 5,900,418,292,993.31/2,768,140.88
  6. Step 6: Final answer
    x = 2,131,545.52

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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.