Home / 3,109,529.79-4,664,958.95-1,087,839.65

Finding the Fourth Proportional to 3,109,529.79, 4,664,958.95 and 1,087,839.65

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Solution

The fourth proportional to 3,109,529.79, 4,664,958.95 and 1,087,839.65 is: 1,631,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,529.79 : 4,664,958.95 = 1,087,839.65 : x
  2. Step 2: Convert to fraction form
    3,109,529.79/4,664,958.95 = 1,087,839.65/x
  3. Step 3: Cross multiply
    3,109,529.79x = 4,664,958.95 × 1,087,839.65
  4. Step 4: Simplify right side
    3,109,529.79x = 5,074,727,325,814.36
  5. Step 5: Solve for x
    x = 5,074,727,325,814.36/3,109,529.79
  6. Step 6: Final answer
    x = 1,631,991.87

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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.