Home / 3,408,433.96-5,115,294.78-1,280,453.80

Finding the Fourth Proportional to 3,408,433.96, 5,115,294.78 and 1,280,453.80

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Solution

The fourth proportional to 3,408,433.96, 5,115,294.78 and 1,280,453.80 is: 1,921,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,433.96 : 5,115,294.78 = 1,280,453.80 : x
  2. Step 2: Convert to fraction form
    3,408,433.96/5,115,294.78 = 1,280,453.80/x
  3. Step 3: Cross multiply
    3,408,433.96x = 5,115,294.78 × 1,280,453.80
  4. Step 4: Simplify right side
    3,408,433.96x = 6,549,898,639,171.17
  5. Step 5: Solve for x
    x = 6,549,898,639,171.17/3,408,433.96
  6. Step 6: Final answer
    x = 1,921,673.92

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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.