Home / 3,838,408.59-5,757,217.27-1,279,347.03

Finding the Fourth Proportional to 3,838,408.59, 5,757,217.27 and 1,279,347.03

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Solution

The fourth proportional to 3,838,408.59, 5,757,217.27 and 1,279,347.03 is: 1,918,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,408.59 : 5,757,217.27 = 1,279,347.03 : x
  2. Step 2: Convert to fraction form
    3,838,408.59/5,757,217.27 = 1,279,347.03/x
  3. Step 3: Cross multiply
    3,838,408.59x = 5,757,217.27 × 1,279,347.03
  4. Step 4: Simplify right side
    3,838,408.59x = 7,365,478,815,439.21
  5. Step 5: Solve for x
    x = 7,365,478,815,439.21/3,838,408.59
  6. Step 6: Final answer
    x = 1,918,888.69

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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.