Home / 2,199,120.28-3,299,196.66-682,725.76

Finding the Fourth Proportional to 2,199,120.28, 3,299,196.66 and 682,725.76

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Solution

The fourth proportional to 2,199,120.28, 3,299,196.66 and 682,725.76 is: 1,024,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,120.28 : 3,299,196.66 = 682,725.76 : x
  2. Step 2: Convert to fraction form
    2,199,120.28/3,299,196.66 = 682,725.76/x
  3. Step 3: Cross multiply
    2,199,120.28x = 3,299,196.66 × 682,725.76
  4. Step 4: Simplify right side
    2,199,120.28x = 2,252,446,547,087.96
  5. Step 5: Solve for x
    x = 2,252,446,547,087.96/2,199,120.28
  6. Step 6: Final answer
    x = 1,024,248.91

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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.