Home / 3,280,665.10-4,920,997.65-2,761,033.90

Finding the Fourth Proportional to 3,280,665.10, 4,920,997.65 and 2,761,033.90

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Solution

The fourth proportional to 3,280,665.10, 4,920,997.65 and 2,761,033.90 is: 4,141,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,665.10 : 4,920,997.65 = 2,761,033.90 : x
  2. Step 2: Convert to fraction form
    3,280,665.10/4,920,997.65 = 2,761,033.90/x
  3. Step 3: Cross multiply
    3,280,665.10x = 4,920,997.65 × 2,761,033.90
  4. Step 4: Simplify right side
    3,280,665.10x = 13,587,041,333,470.34
  5. Step 5: Solve for x
    x = 13,587,041,333,470.34/3,280,665.10
  6. Step 6: Final answer
    x = 4,141,550.85

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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.