Home / 2,156,165.44-2,975,456.17-1,189,274.96

Finding the Fourth Proportional to 2,156,165.44, 2,975,456.17 and 1,189,274.96

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Solution

The fourth proportional to 2,156,165.44, 2,975,456.17 and 1,189,274.96 is: 1,641,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,165.44 : 2,975,456.17 = 1,189,274.96 : x
  2. Step 2: Convert to fraction form
    2,156,165.44/2,975,456.17 = 1,189,274.96/x
  3. Step 3: Cross multiply
    2,156,165.44x = 2,975,456.17 × 1,189,274.96
  4. Step 4: Simplify right side
    2,156,165.44x = 3,538,635,517,558.50
  5. Step 5: Solve for x
    x = 3,538,635,517,558.50/2,156,165.44
  6. Step 6: Final answer
    x = 1,641,170.69

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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.