Home / 5,187,857-7,781,820.06-1,642,001

Finding the Fourth Proportional to 5,187,857, 7,781,820.06 and 1,642,001

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Solution

The fourth proportional to 5,187,857, 7,781,820.06 and 1,642,001 is: 2,463,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,857 : 7,781,820.06 = 1,642,001 : x
  2. Step 2: Convert to fraction form
    5,187,857/7,781,820.06 = 1,642,001/x
  3. Step 3: Cross multiply
    5,187,857x = 7,781,820.06 × 1,642,001
  4. Step 4: Simplify right side
    5,187,857x = 12,777,756,320,340.06
  5. Step 5: Solve for x
    x = 12,777,756,320,340.06/5,187,857
  6. Step 6: Final answer
    x = 2,463,012.44

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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.