Home / 2,640,249.48-3,960,334.95-721,157.46

Finding the Fourth Proportional to 2,640,249.48, 3,960,334.95 and 721,157.46

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Solution

The fourth proportional to 2,640,249.48, 3,960,334.95 and 721,157.46 is: 1,081,725.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,249.48 : 3,960,334.95 = 721,157.46 : x
  2. Step 2: Convert to fraction form
    2,640,249.48/3,960,334.95 = 721,157.46/x
  3. Step 3: Cross multiply
    2,640,249.48x = 3,960,334.95 × 721,157.46
  4. Step 4: Simplify right side
    2,640,249.48x = 2,856,025,093,291.23
  5. Step 5: Solve for x
    x = 2,856,025,093,291.23/2,640,249.48
  6. Step 6: Final answer
    x = 1,081,725.46

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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.