Home / 2,654,400.75-3,979,078.71-1,692,155.54

Finding the Fourth Proportional to 2,654,400.75, 3,979,078.71 and 1,692,155.54

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Solution

The fourth proportional to 2,654,400.75, 3,979,078.71 and 1,692,155.54 is: 2,536,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654,400.75 : 3,979,078.71 = 1,692,155.54 : x
  2. Step 2: Convert to fraction form
    2,654,400.75/3,979,078.71 = 1,692,155.54/x
  3. Step 3: Cross multiply
    2,654,400.75x = 3,979,078.71 × 1,692,155.54
  4. Step 4: Simplify right side
    2,654,400.75x = 6,733,220,063,327.16
  5. Step 5: Solve for x
    x = 6,733,220,063,327.16/2,654,400.75
  6. Step 6: Final answer
    x = 2,536,625.29

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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.