Home / 3,973,788.47-5,961,571.64-1,449,443.72

Finding the Fourth Proportional to 3,973,788.47, 5,961,571.64 and 1,449,443.72

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Solution

The fourth proportional to 3,973,788.47, 5,961,571.64 and 1,449,443.72 is: 2,174,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973,788.47 : 5,961,571.64 = 1,449,443.72 : x
  2. Step 2: Convert to fraction form
    3,973,788.47/5,961,571.64 = 1,449,443.72/x
  3. Step 3: Cross multiply
    3,973,788.47x = 5,961,571.64 × 1,449,443.72
  4. Step 4: Simplify right side
    3,973,788.47x = 8,640,962,537,873.03
  5. Step 5: Solve for x
    x = 8,640,962,537,873.03/3,973,788.47
  6. Step 6: Final answer
    x = 2,174,489.81

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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.