Home / 4,171,917.76-6,258,847.12-1,293,131.86

Finding the Fourth Proportional to 4,171,917.76, 6,258,847.12 and 1,293,131.86

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Solution

The fourth proportional to 4,171,917.76, 6,258,847.12 and 1,293,131.86 is: 1,939,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171,917.76 : 6,258,847.12 = 1,293,131.86 : x
  2. Step 2: Convert to fraction form
    4,171,917.76/6,258,847.12 = 1,293,131.86/x
  3. Step 3: Cross multiply
    4,171,917.76x = 6,258,847.12 × 1,293,131.86
  4. Step 4: Simplify right side
    4,171,917.76x = 8,093,514,598,861.30
  5. Step 5: Solve for x
    x = 8,093,514,598,861.30/4,171,917.76
  6. Step 6: Final answer
    x = 1,939,998.60

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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.