Home / 3,280,441.80-4,920,662.70-2,757,894.60

Finding the Fourth Proportional to 3,280,441.80, 4,920,662.70 and 2,757,894.60

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Solution

The fourth proportional to 3,280,441.80, 4,920,662.70 and 2,757,894.60 is: 4,136,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,441.80 : 4,920,662.70 = 2,757,894.60 : x
  2. Step 2: Convert to fraction form
    3,280,441.80/4,920,662.70 = 2,757,894.60/x
  3. Step 3: Cross multiply
    3,280,441.80x = 4,920,662.70 × 2,757,894.60
  4. Step 4: Simplify right side
    3,280,441.80x = 13,570,669,088,751.42
  5. Step 5: Solve for x
    x = 13,570,669,088,751.42/3,280,441.80
  6. Step 6: Final answer
    x = 4,136,841.90

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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.