Home / 3,625,037.78-5,002,422.68-1,993,430.91

Finding the Fourth Proportional to 3,625,037.78, 5,002,422.68 and 1,993,430.91

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Solution

The fourth proportional to 3,625,037.78, 5,002,422.68 and 1,993,430.91 is: 2,750,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625,037.78 : 5,002,422.68 = 1,993,430.91 : x
  2. Step 2: Convert to fraction form
    3,625,037.78/5,002,422.68 = 1,993,430.91/x
  3. Step 3: Cross multiply
    3,625,037.78x = 5,002,422.68 × 1,993,430.91
  4. Step 4: Simplify right side
    3,625,037.78x = 9,971,983,985,194.55
  5. Step 5: Solve for x
    x = 9,971,983,985,194.55/3,625,037.78
  6. Step 6: Final answer
    x = 2,750,863.47

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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.