Home / 6,315,879-8,715,383.28-3,737,107.92

Finding the Fourth Proportional to 6,315,879, 8,715,383.28 and 3,737,107.92

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Solution

The fourth proportional to 6,315,879, 8,715,383.28 and 3,737,107.92 is: 5,156,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,879 : 8,715,383.28 = 3,737,107.92 : x
  2. Step 2: Convert to fraction form
    6,315,879/8,715,383.28 = 3,737,107.92/x
  3. Step 3: Cross multiply
    6,315,879x = 8,715,383.28 × 3,737,107.92
  4. Step 4: Simplify right side
    6,315,879x = 32,570,327,881,523.57
  5. Step 5: Solve for x
    x = 32,570,327,881,523.57/6,315,879
  6. Step 6: Final answer
    x = 5,156,895.48

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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.