Home / 3,431,919.39-5,147,885.36-1,408,753.23

Finding the Fourth Proportional to 3,431,919.39, 5,147,885.36 and 1,408,753.23

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Solution

The fourth proportional to 3,431,919.39, 5,147,885.36 and 1,408,753.23 is: 2,113,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,919.39 : 5,147,885.36 = 1,408,753.23 : x
  2. Step 2: Convert to fraction form
    3,431,919.39/5,147,885.36 = 1,408,753.23/x
  3. Step 3: Cross multiply
    3,431,919.39x = 5,147,885.36 × 1,408,753.23
  4. Step 4: Simplify right side
    3,431,919.39x = 7,252,100,128,569.71
  5. Step 5: Solve for x
    x = 7,252,100,128,569.71/3,431,919.39
  6. Step 6: Final answer
    x = 2,113,132.42

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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.