Home / 3,892,156.28-5,371,143.56-2,126,056.04

Finding the Fourth Proportional to 3,892,156.28, 5,371,143.56 and 2,126,056.04

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Solution

The fourth proportional to 3,892,156.28, 5,371,143.56 and 2,126,056.04 is: 2,933,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,156.28 : 5,371,143.56 = 2,126,056.04 : x
  2. Step 2: Convert to fraction form
    3,892,156.28/5,371,143.56 = 2,126,056.04/x
  3. Step 3: Cross multiply
    3,892,156.28x = 5,371,143.56 × 2,126,056.04
  4. Step 4: Simplify right side
    3,892,156.28x = 11,419,352,207,445.10
  5. Step 5: Solve for x
    x = 11,419,352,207,445.10/3,892,156.28
  6. Step 6: Final answer
    x = 2,933,939.80

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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.