Home / 2,808,099.38-4,212,148.92-786,642.58

Finding the Fourth Proportional to 2,808,099.38, 4,212,148.92 and 786,642.58

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Solution

The fourth proportional to 2,808,099.38, 4,212,148.92 and 786,642.58 is: 1,179,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,099.38 : 4,212,148.92 = 786,642.58 : x
  2. Step 2: Convert to fraction form
    2,808,099.38/4,212,148.92 = 786,642.58/x
  3. Step 3: Cross multiply
    2,808,099.38x = 4,212,148.92 × 786,642.58
  4. Step 4: Simplify right side
    2,808,099.38x = 3,313,455,693,773.01
  5. Step 5: Solve for x
    x = 3,313,455,693,773.01/2,808,099.38
  6. Step 6: Final answer
    x = 1,179,963.83

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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.