Home / 2,921,839.91-4,382,759.90-791,924.03

Finding the Fourth Proportional to 2,921,839.91, 4,382,759.90 and 791,924.03

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Solution

The fourth proportional to 2,921,839.91, 4,382,759.90 and 791,924.03 is: 1,187,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,839.91 : 4,382,759.90 = 791,924.03 : x
  2. Step 2: Convert to fraction form
    2,921,839.91/4,382,759.90 = 791,924.03/x
  3. Step 3: Cross multiply
    2,921,839.91x = 4,382,759.90 × 791,924.03
  4. Step 4: Simplify right side
    2,921,839.91x = 3,470,812,882,530.40
  5. Step 5: Solve for x
    x = 3,470,812,882,530.40/2,921,839.91
  6. Step 6: Final answer
    x = 1,187,886.05

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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.