Home / 2,191,167.20-3,286,750.80-1,246,383.20

Finding the Fourth Proportional to 2,191,167.20, 3,286,750.80 and 1,246,383.20

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Solution

The fourth proportional to 2,191,167.20, 3,286,750.80 and 1,246,383.20 is: 1,869,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,167.20 : 3,286,750.80 = 1,246,383.20 : x
  2. Step 2: Convert to fraction form
    2,191,167.20/3,286,750.80 = 1,246,383.20/x
  3. Step 3: Cross multiply
    2,191,167.20x = 3,286,750.80 × 1,246,383.20
  4. Step 4: Simplify right side
    2,191,167.20x = 4,096,550,979,706.56
  5. Step 5: Solve for x
    x = 4,096,550,979,706.56/2,191,167.20
  6. Step 6: Final answer
    x = 1,869,574.80

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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.