Home / 2,688,067.60-4,032,101.40-794,640.40

Finding the Fourth Proportional to 2,688,067.60, 4,032,101.40 and 794,640.40

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Solution

The fourth proportional to 2,688,067.60, 4,032,101.40 and 794,640.40 is: 1,191,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,067.60 : 4,032,101.40 = 794,640.40 : x
  2. Step 2: Convert to fraction form
    2,688,067.60/4,032,101.40 = 794,640.40/x
  3. Step 3: Cross multiply
    2,688,067.60x = 4,032,101.40 × 794,640.40
  4. Step 4: Simplify right side
    2,688,067.60x = 3,204,070,669,336.56
  5. Step 5: Solve for x
    x = 3,204,070,669,336.56/2,688,067.60
  6. Step 6: Final answer
    x = 1,191,960.60

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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.