Home / 2,777,005.70-3,832,622.79-1,553,379.20

Finding the Fourth Proportional to 2,777,005.70, 3,832,622.79 and 1,553,379.20

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Solution

The fourth proportional to 2,777,005.70, 3,832,622.79 and 1,553,379.20 is: 2,143,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,005.70 : 3,832,622.79 = 1,553,379.20 : x
  2. Step 2: Convert to fraction form
    2,777,005.70/3,832,622.79 = 1,553,379.20/x
  3. Step 3: Cross multiply
    2,777,005.70x = 3,832,622.79 × 1,553,379.20
  4. Step 4: Simplify right side
    2,777,005.70x = 5,953,516,523,431.97
  5. Step 5: Solve for x
    x = 5,953,516,523,431.97/2,777,005.70
  6. Step 6: Final answer
    x = 2,143,861.83

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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.