Home / 2,887,778.96-3,987,015.06-1,855,684.46

Finding the Fourth Proportional to 2,887,778.96, 3,987,015.06 and 1,855,684.46

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Solution

The fourth proportional to 2,887,778.96, 3,987,015.06 and 1,855,684.46 is: 2,562,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,778.96 : 3,987,015.06 = 1,855,684.46 : x
  2. Step 2: Convert to fraction form
    2,887,778.96/3,987,015.06 = 1,855,684.46/x
  3. Step 3: Cross multiply
    2,887,778.96x = 3,987,015.06 × 1,855,684.46
  4. Step 4: Simplify right side
    2,887,778.96x = 7,398,641,888,627.97
  5. Step 5: Solve for x
    x = 7,398,641,888,627.97/2,887,778.96
  6. Step 6: Final answer
    x = 2,562,052.70

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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.