Home / 3,936,517.26-5,432,412.87-2,217,664.86

Finding the Fourth Proportional to 3,936,517.26, 5,432,412.87 and 2,217,664.86

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Solution

The fourth proportional to 3,936,517.26, 5,432,412.87 and 2,217,664.86 is: 3,060,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,517.26 : 5,432,412.87 = 2,217,664.86 : x
  2. Step 2: Convert to fraction form
    3,936,517.26/5,432,412.87 = 2,217,664.86/x
  3. Step 3: Cross multiply
    3,936,517.26x = 5,432,412.87 × 2,217,664.86
  4. Step 4: Simplify right side
    3,936,517.26x = 12,047,271,126,810.75
  5. Step 5: Solve for x
    x = 12,047,271,126,810.75/3,936,517.26
  6. Step 6: Final answer
    x = 3,060,388.24

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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.