Home / 3,457,813.74-5,190,372.90-1,942,791.36

Finding the Fourth Proportional to 3,457,813.74, 5,190,372.90 and 1,942,791.36

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Solution

The fourth proportional to 3,457,813.74, 5,190,372.90 and 1,942,791.36 is: 2,916,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,813.74 : 5,190,372.90 = 1,942,791.36 : x
  2. Step 2: Convert to fraction form
    3,457,813.74/5,190,372.90 = 1,942,791.36/x
  3. Step 3: Cross multiply
    3,457,813.74x = 5,190,372.90 × 1,942,791.36
  4. Step 4: Simplify right side
    3,457,813.74x = 10,083,811,625,298.14
  5. Step 5: Solve for x
    x = 10,083,811,625,298.14/3,457,813.74
  6. Step 6: Final answer
    x = 2,916,239.10

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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.