Home / 3,340,956.20-5,011,434.30-1,211,109.80

Finding the Fourth Proportional to 3,340,956.20, 5,011,434.30 and 1,211,109.80

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Solution

The fourth proportional to 3,340,956.20, 5,011,434.30 and 1,211,109.80 is: 1,816,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340,956.20 : 5,011,434.30 = 1,211,109.80 : x
  2. Step 2: Convert to fraction form
    3,340,956.20/5,011,434.30 = 1,211,109.80/x
  3. Step 3: Cross multiply
    3,340,956.20x = 5,011,434.30 × 1,211,109.80
  4. Step 4: Simplify right side
    3,340,956.20x = 6,069,397,192,786.14
  5. Step 5: Solve for x
    x = 6,069,397,192,786.14/3,340,956.20
  6. Step 6: Final answer
    x = 1,816,664.70

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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.