Home / 5,305,814.88-7,960,405-1,894,026.64

Finding the Fourth Proportional to 5,305,814.88, 7,960,405 and 1,894,026.64

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Solution

The fourth proportional to 5,305,814.88, 7,960,405 and 1,894,026.64 is: 2,841,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305,814.88 : 7,960,405 = 1,894,026.64 : x
  2. Step 2: Convert to fraction form
    5,305,814.88/7,960,405 = 1,894,026.64/x
  3. Step 3: Cross multiply
    5,305,814.88x = 7,960,405 × 1,894,026.64
  4. Step 4: Simplify right side
    5,305,814.88x = 15,077,219,135,189.20
  5. Step 5: Solve for x
    x = 15,077,219,135,189.20/5,305,814.88
  6. Step 6: Final answer
    x = 2,841,640.63

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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.