Home / 3,940,223.86-5,910,671.07-1,243,827.70

Finding the Fourth Proportional to 3,940,223.86, 5,910,671.07 and 1,243,827.70

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Solution

The fourth proportional to 3,940,223.86, 5,910,671.07 and 1,243,827.70 is: 1,865,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,223.86 : 5,910,671.07 = 1,243,827.70 : x
  2. Step 2: Convert to fraction form
    3,940,223.86/5,910,671.07 = 1,243,827.70/x
  3. Step 3: Cross multiply
    3,940,223.86x = 5,910,671.07 × 1,243,827.70
  4. Step 4: Simplify right side
    3,940,223.86x = 7,351,856,402,454.64
  5. Step 5: Solve for x
    x = 7,351,856,402,454.64/3,940,223.86
  6. Step 6: Final answer
    x = 1,865,847.39

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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.