Home / 3,519,397.72-4,857,163.86-1,991,603.44

Finding the Fourth Proportional to 3,519,397.72, 4,857,163.86 and 1,991,603.44

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Solution

The fourth proportional to 3,519,397.72, 4,857,163.86 and 1,991,603.44 is: 2,748,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519,397.72 : 4,857,163.86 = 1,991,603.44 : x
  2. Step 2: Convert to fraction form
    3,519,397.72/4,857,163.86 = 1,991,603.44/x
  3. Step 3: Cross multiply
    3,519,397.72x = 4,857,163.86 × 1,991,603.44
  4. Step 4: Simplify right side
    3,519,397.72x = 9,673,544,252,219.68
  5. Step 5: Solve for x
    x = 9,673,544,252,219.68/3,519,397.72
  6. Step 6: Final answer
    x = 2,748,636.28

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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.