Home / 2,588,115.08-3,882,172.62-791,003.72

Finding the Fourth Proportional to 2,588,115.08, 3,882,172.62 and 791,003.72

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Solution

The fourth proportional to 2,588,115.08, 3,882,172.62 and 791,003.72 is: 1,186,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,115.08 : 3,882,172.62 = 791,003.72 : x
  2. Step 2: Convert to fraction form
    2,588,115.08/3,882,172.62 = 791,003.72/x
  3. Step 3: Cross multiply
    2,588,115.08x = 3,882,172.62 × 791,003.72
  4. Step 4: Simplify right side
    2,588,115.08x = 3,070,812,984,102.15
  5. Step 5: Solve for x
    x = 3,070,812,984,102.15/2,588,115.08
  6. Step 6: Final answer
    x = 1,186,505.58

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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.