Home / 3,410,919.66-5,113,680.57-1,280,766.54

Finding the Fourth Proportional to 3,410,919.66, 5,113,680.57 and 1,280,766.54

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Solution

The fourth proportional to 3,410,919.66, 5,113,680.57 and 1,280,766.54 is: 1,920,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410,919.66 : 5,113,680.57 = 1,280,766.54 : x
  2. Step 2: Convert to fraction form
    3,410,919.66/5,113,680.57 = 1,280,766.54/x
  3. Step 3: Cross multiply
    3,410,919.66x = 5,113,680.57 × 1,280,766.54
  4. Step 4: Simplify right side
    3,410,919.66x = 6,549,430,970,304.13
  5. Step 5: Solve for x
    x = 6,549,430,970,304.13/3,410,919.66
  6. Step 6: Final answer
    x = 1,920,136.39

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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.