Home / 3,148,121.20-4,722,181.80-2,014,380.40

Finding the Fourth Proportional to 3,148,121.20, 4,722,181.80 and 2,014,380.40

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Solution

The fourth proportional to 3,148,121.20, 4,722,181.80 and 2,014,380.40 is: 3,021,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,121.20 : 4,722,181.80 = 2,014,380.40 : x
  2. Step 2: Convert to fraction form
    3,148,121.20/4,722,181.80 = 2,014,380.40/x
  3. Step 3: Cross multiply
    3,148,121.20x = 4,722,181.80 × 2,014,380.40
  4. Step 4: Simplify right side
    3,148,121.20x = 9,512,270,463,156.72
  5. Step 5: Solve for x
    x = 9,512,270,463,156.72/3,148,121.20
  6. Step 6: Final answer
    x = 3,021,570.60

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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.