Home / 2,887,759.72-3,985,155.41-1,580,989.70

Finding the Fourth Proportional to 2,887,759.72, 3,985,155.41 and 1,580,989.70

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Solution

The fourth proportional to 2,887,759.72, 3,985,155.41 and 1,580,989.70 is: 2,181,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,759.72 : 3,985,155.41 = 1,580,989.70 : x
  2. Step 2: Convert to fraction form
    2,887,759.72/3,985,155.41 = 1,580,989.70/x
  3. Step 3: Cross multiply
    2,887,759.72x = 3,985,155.41 × 1,580,989.70
  4. Step 4: Simplify right side
    2,887,759.72x = 6,300,489,664,883.29
  5. Step 5: Solve for x
    x = 6,300,489,664,883.29/2,887,759.72
  6. Step 6: Final answer
    x = 2,181,791.52

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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.