Home / 2,087,241.67-3,131,309.36-647,893.47

Finding the Fourth Proportional to 2,087,241.67, 3,131,309.36 and 647,893.47

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Solution

The fourth proportional to 2,087,241.67, 3,131,309.36 and 647,893.47 is: 971,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,241.67 : 3,131,309.36 = 647,893.47 : x
  2. Step 2: Convert to fraction form
    2,087,241.67/3,131,309.36 = 647,893.47/x
  3. Step 3: Cross multiply
    2,087,241.67x = 3,131,309.36 × 647,893.47
  4. Step 4: Simplify right side
    2,087,241.67x = 2,028,754,886,893.88
  5. Step 5: Solve for x
    x = 2,028,754,886,893.88/2,087,241.67
  6. Step 6: Final answer
    x = 971,978.91

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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.