Home / 2,680,549.60-4,020,824.40-2,149,108.60

Finding the Fourth Proportional to 2,680,549.60, 4,020,824.40 and 2,149,108.60

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Solution

The fourth proportional to 2,680,549.60, 4,020,824.40 and 2,149,108.60 is: 3,223,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,549.60 : 4,020,824.40 = 2,149,108.60 : x
  2. Step 2: Convert to fraction form
    2,680,549.60/4,020,824.40 = 2,149,108.60/x
  3. Step 3: Cross multiply
    2,680,549.60x = 4,020,824.40 × 2,149,108.60
  4. Step 4: Simplify right side
    2,680,549.60x = 8,641,188,297,129.84
  5. Step 5: Solve for x
    x = 8,641,188,297,129.84/2,680,549.60
  6. Step 6: Final answer
    x = 3,223,662.90

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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.