Home / 5,118,744.12-7,679,551.08-2,240,361.78

Finding the Fourth Proportional to 5,118,744.12, 7,679,551.08 and 2,240,361.78

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Solution

The fourth proportional to 5,118,744.12, 7,679,551.08 and 2,240,361.78 is: 3,361,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,744.12 : 7,679,551.08 = 2,240,361.78 : x
  2. Step 2: Convert to fraction form
    5,118,744.12/7,679,551.08 = 2,240,361.78/x
  3. Step 3: Cross multiply
    5,118,744.12x = 7,679,551.08 × 2,240,361.78
  4. Step 4: Simplify right side
    5,118,744.12x = 17,204,972,727,189.72
  5. Step 5: Solve for x
    x = 17,204,972,727,189.72/5,118,744.12
  6. Step 6: Final answer
    x = 3,361,170.69

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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.