Home / 3,879,749.70-5,353,562.97-2,248,141.86

Finding the Fourth Proportional to 3,879,749.70, 5,353,562.97 and 2,248,141.86

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Solution

The fourth proportional to 3,879,749.70, 5,353,562.97 and 2,248,141.86 is: 3,102,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,749.70 : 5,353,562.97 = 2,248,141.86 : x
  2. Step 2: Convert to fraction form
    3,879,749.70/5,353,562.97 = 2,248,141.86/x
  3. Step 3: Cross multiply
    3,879,749.70x = 5,353,562.97 × 2,248,141.86
  4. Step 4: Simplify right side
    3,879,749.70x = 12,035,569,013,002.92
  5. Step 5: Solve for x
    x = 12,035,569,013,002.92/3,879,749.70
  6. Step 6: Final answer
    x = 3,102,150.90

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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.