Home / 2,280,609.92-3,145,162.56-1,958,218.88

Finding the Fourth Proportional to 2,280,609.92, 3,145,162.56 and 1,958,218.88

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Solution

The fourth proportional to 2,280,609.92, 3,145,162.56 and 1,958,218.88 is: 2,700,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,609.92 : 3,145,162.56 = 1,958,218.88 : x
  2. Step 2: Convert to fraction form
    2,280,609.92/3,145,162.56 = 1,958,218.88/x
  3. Step 3: Cross multiply
    2,280,609.92x = 3,145,162.56 × 1,958,218.88
  4. Step 4: Simplify right side
    2,280,609.92x = 6,158,916,705,661.13
  5. Step 5: Solve for x
    x = 6,158,916,705,661.13/2,280,609.92
  6. Step 6: Final answer
    x = 2,700,556.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.