Home / 3,109,679.12-4,664,892.44-2,939,618

Finding the Fourth Proportional to 3,109,679.12, 4,664,892.44 and 2,939,618

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Solution

The fourth proportional to 3,109,679.12, 4,664,892.44 and 2,939,618 is: 4,409,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,679.12 : 4,664,892.44 = 2,939,618 : x
  2. Step 2: Convert to fraction form
    3,109,679.12/4,664,892.44 = 2,939,618/x
  3. Step 3: Cross multiply
    3,109,679.12x = 4,664,892.44 × 2,939,618
  4. Step 4: Simplify right side
    3,109,679.12x = 13,713,001,784,687.92
  5. Step 5: Solve for x
    x = 13,713,001,784,687.92/3,109,679.12
  6. Step 6: Final answer
    x = 4,409,780.32

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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.