Home / 4,685,138.89-6,465,446.13-2,620,130.97

Finding the Fourth Proportional to 4,685,138.89, 6,465,446.13 and 2,620,130.97

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Solution

The fourth proportional to 4,685,138.89, 6,465,446.13 and 2,620,130.97 is: 3,615,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685,138.89 : 6,465,446.13 = 2,620,130.97 : x
  2. Step 2: Convert to fraction form
    4,685,138.89/6,465,446.13 = 2,620,130.97/x
  3. Step 3: Cross multiply
    4,685,138.89x = 6,465,446.13 × 2,620,130.97
  4. Step 4: Simplify right side
    4,685,138.89x = 16,940,315,640,079.65
  5. Step 5: Solve for x
    x = 16,940,315,640,079.65/4,685,138.89
  6. Step 6: Final answer
    x = 3,615,755.27

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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.