Home / 3,280,504.10-4,920,756.15-2,682,140.90

Finding the Fourth Proportional to 3,280,504.10, 4,920,756.15 and 2,682,140.90

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Solution

The fourth proportional to 3,280,504.10, 4,920,756.15 and 2,682,140.90 is: 4,023,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,504.10 : 4,920,756.15 = 2,682,140.90 : x
  2. Step 2: Convert to fraction form
    3,280,504.10/4,920,756.15 = 2,682,140.90/x
  3. Step 3: Cross multiply
    3,280,504.10x = 4,920,756.15 × 2,682,140.90
  4. Step 4: Simplify right side
    3,280,504.10x = 13,198,161,328,841.54
  5. Step 5: Solve for x
    x = 13,198,161,328,841.54/3,280,504.10
  6. Step 6: Final answer
    x = 4,023,211.35

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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.