Home / 3,280,665.45-4,920,998.18-3,081,211.05

Finding the Fourth Proportional to 3,280,665.45, 4,920,998.18 and 3,081,211.05

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Solution

The fourth proportional to 3,280,665.45, 4,920,998.18 and 3,081,211.05 is: 4,621,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,665.45 : 4,920,998.18 = 3,081,211.05 : x
  2. Step 2: Convert to fraction form
    3,280,665.45/4,920,998.18 = 3,081,211.05/x
  3. Step 3: Cross multiply
    3,280,665.45x = 4,920,998.18 × 3,081,211.05
  4. Step 4: Simplify right side
    3,280,665.45x = 15,162,633,953,839.83
  5. Step 5: Solve for x
    x = 15,162,633,953,839.83/3,280,665.45
  6. Step 6: Final answer
    x = 4,621,816.58

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Double scale
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Similar ratio
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1.5x scale

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.