Home / 2,679,289.38-4,019,065.38-1,081,653.12

Finding the Fourth Proportional to 2,679,289.38, 4,019,065.38 and 1,081,653.12

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Solution

The fourth proportional to 2,679,289.38, 4,019,065.38 and 1,081,653.12 is: 1,622,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,289.38 : 4,019,065.38 = 1,081,653.12 : x
  2. Step 2: Convert to fraction form
    2,679,289.38/4,019,065.38 = 1,081,653.12/x
  3. Step 3: Cross multiply
    2,679,289.38x = 4,019,065.38 × 1,081,653.12
  4. Step 4: Simplify right side
    2,679,289.38x = 4,347,234,607,760.99
  5. Step 5: Solve for x
    x = 4,347,234,607,760.99/2,679,289.38
  6. Step 6: Final answer
    x = 1,622,532.69

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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.