Home / 4,685,138.82-6,465,445.92-2,620,131.30

Finding the Fourth Proportional to 4,685,138.82, 6,465,445.92 and 2,620,131.30

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Solution

The fourth proportional to 4,685,138.82, 6,465,445.92 and 2,620,131.30 is: 3,615,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685,138.82 : 6,465,445.92 = 2,620,131.30 : x
  2. Step 2: Convert to fraction form
    4,685,138.82/6,465,445.92 = 2,620,131.30/x
  3. Step 3: Cross multiply
    4,685,138.82x = 6,465,445.92 × 2,620,131.30
  4. Step 4: Simplify right side
    4,685,138.82x = 16,940,317,223,449.29
  5. Step 5: Solve for x
    x = 16,940,317,223,449.29/4,685,138.82
  6. Step 6: Final answer
    x = 3,615,755.66

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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.