Home / 3,138,136.12-4,703,157.42-1,518,524.20

Finding the Fourth Proportional to 3,138,136.12, 4,703,157.42 and 1,518,524.20

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Solution

The fourth proportional to 3,138,136.12, 4,703,157.42 and 1,518,524.20 is: 2,275,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,136.12 : 4,703,157.42 = 1,518,524.20 : x
  2. Step 2: Convert to fraction form
    3,138,136.12/4,703,157.42 = 1,518,524.20/x
  3. Step 3: Cross multiply
    3,138,136.12x = 4,703,157.42 × 1,518,524.20
  4. Step 4: Simplify right side
    3,138,136.12x = 7,141,858,358,679.56
  5. Step 5: Solve for x
    x = 7,141,858,358,679.56/3,138,136.12
  6. Step 6: Final answer
    x = 2,275,828.10

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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.