Home / 2,640,005.88-3,642,687.90-1,607,236.44

Finding the Fourth Proportional to 2,640,005.88, 3,642,687.90 and 1,607,236.44

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Solution

The fourth proportional to 2,640,005.88, 3,642,687.90 and 1,607,236.44 is: 2,217,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,005.88 : 3,642,687.90 = 1,607,236.44 : x
  2. Step 2: Convert to fraction form
    2,640,005.88/3,642,687.90 = 1,607,236.44/x
  3. Step 3: Cross multiply
    2,640,005.88x = 3,642,687.90 × 1,607,236.44
  4. Step 4: Simplify right side
    2,640,005.88x = 5,854,660,732,427.08
  5. Step 5: Solve for x
    x = 5,854,660,732,427.08/2,640,005.88
  6. Step 6: Final answer
    x = 2,217,669.58

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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.