Home / 3,119,832-4,679,156.16-1,520,786.88

Finding the Fourth Proportional to 3,119,832, 4,679,156.16 and 1,520,786.88

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Solution

The fourth proportional to 3,119,832, 4,679,156.16 and 1,520,786.88 is: 2,280,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,832 : 4,679,156.16 = 1,520,786.88 : x
  2. Step 2: Convert to fraction form
    3,119,832/4,679,156.16 = 1,520,786.88/x
  3. Step 3: Cross multiply
    3,119,832x = 4,679,156.16 × 1,520,786.88
  4. Step 4: Simplify right side
    3,119,832x = 7,115,999,297,599.18
  5. Step 5: Solve for x
    x = 7,115,999,297,599.18/3,119,832
  6. Step 6: Final answer
    x = 2,280,891.82

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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.