Home / 5,727,655-7,903,961.58-3,149,317.72

Finding the Fourth Proportional to 5,727,655, 7,903,961.58 and 3,149,317.72

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Solution

The fourth proportional to 5,727,655, 7,903,961.58 and 3,149,317.72 is: 4,345,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727,655 : 7,903,961.58 = 3,149,317.72 : x
  2. Step 2: Convert to fraction form
    5,727,655/7,903,961.58 = 3,149,317.72/x
  3. Step 3: Cross multiply
    5,727,655x = 7,903,961.58 × 3,149,317.72
  4. Step 4: Simplify right side
    5,727,655x = 24,892,086,262,093.20
  5. Step 5: Solve for x
    x = 24,892,086,262,093.20/5,727,655
  6. Step 6: Final answer
    x = 4,345,947.21

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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.