Home / 3,280,506.60-4,920,759.90-2,682,143.40

Finding the Fourth Proportional to 3,280,506.60, 4,920,759.90 and 2,682,143.40

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Solution

The fourth proportional to 3,280,506.60, 4,920,759.90 and 2,682,143.40 is: 4,023,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,506.60 : 4,920,759.90 = 2,682,143.40 : x
  2. Step 2: Convert to fraction form
    3,280,506.60/4,920,759.90 = 2,682,143.40/x
  3. Step 3: Cross multiply
    3,280,506.60x = 4,920,759.90 × 2,682,143.40
  4. Step 4: Simplify right side
    3,280,506.60x = 13,198,183,688,769.66
  5. Step 5: Solve for x
    x = 13,198,183,688,769.66/3,280,506.60
  6. Step 6: Final answer
    x = 4,023,215.10

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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.