Home / 2,277,890.37-3,144,280.36-1,311,405.86

Finding the Fourth Proportional to 2,277,890.37, 3,144,280.36 and 1,311,405.86

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Solution

The fourth proportional to 2,277,890.37, 3,144,280.36 and 1,311,405.86 is: 1,810,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277,890.37 : 3,144,280.36 = 1,311,405.86 : x
  2. Step 2: Convert to fraction form
    2,277,890.37/3,144,280.36 = 1,311,405.86/x
  3. Step 3: Cross multiply
    2,277,890.37x = 3,144,280.36 × 1,311,405.86
  4. Step 4: Simplify right side
    2,277,890.37x = 4,123,427,689,586.91
  5. Step 5: Solve for x
    x = 4,123,427,689,586.91/2,277,890.37
  6. Step 6: Final answer
    x = 1,810,195.85

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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.