Home / 3,431,583.60-4,731,720.21-2,809,455

Finding the Fourth Proportional to 3,431,583.60, 4,731,720.21 and 2,809,455

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Solution

The fourth proportional to 3,431,583.60, 4,731,720.21 and 2,809,455 is: 3,873,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,583.60 : 4,731,720.21 = 2,809,455 : x
  2. Step 2: Convert to fraction form
    3,431,583.60/4,731,720.21 = 2,809,455/x
  3. Step 3: Cross multiply
    3,431,583.60x = 4,731,720.21 × 2,809,455
  4. Step 4: Simplify right side
    3,431,583.60x = 13,293,555,002,585.55
  5. Step 5: Solve for x
    x = 13,293,555,002,585.55/3,431,583.60
  6. Step 6: Final answer
    x = 3,873,883.48

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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.