Home / 5,431,611.60-8,153,638.20-3,189,013.20

Finding the Fourth Proportional to 5,431,611.60, 8,153,638.20 and 3,189,013.20

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Solution

The fourth proportional to 5,431,611.60, 8,153,638.20 and 3,189,013.20 is: 4,787,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,611.60 : 8,153,638.20 = 3,189,013.20 : x
  2. Step 2: Convert to fraction form
    5,431,611.60/8,153,638.20 = 3,189,013.20/x
  3. Step 3: Cross multiply
    5,431,611.60x = 8,153,638.20 × 3,189,013.20
  4. Step 4: Simplify right side
    5,431,611.60x = 26,002,059,847,824.24
  5. Step 5: Solve for x
    x = 26,002,059,847,824.24/5,431,611.60
  6. Step 6: Final answer
    x = 4,787,172.16

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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.