Home / 2,605,198.78-3,587,149.10-2,314,305.91

Finding the Fourth Proportional to 2,605,198.78, 3,587,149.10 and 2,314,305.91

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Solution

The fourth proportional to 2,605,198.78, 3,587,149.10 and 2,314,305.91 is: 3,186,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,198.78 : 3,587,149.10 = 2,314,305.91 : x
  2. Step 2: Convert to fraction form
    2,605,198.78/3,587,149.10 = 2,314,305.91/x
  3. Step 3: Cross multiply
    2,605,198.78x = 3,587,149.10 × 2,314,305.91
  4. Step 4: Simplify right side
    2,605,198.78x = 8,301,760,366,158.82
  5. Step 5: Solve for x
    x = 8,301,760,366,158.82/2,605,198.78
  6. Step 6: Final answer
    x = 3,186,613.02

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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.