Home / 2,315,857.68-3,195,848.52-1,297,298.88

Finding the Fourth Proportional to 2,315,857.68, 3,195,848.52 and 1,297,298.88

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Solution

The fourth proportional to 2,315,857.68, 3,195,848.52 and 1,297,298.88 is: 1,790,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,857.68 : 3,195,848.52 = 1,297,298.88 : x
  2. Step 2: Convert to fraction form
    2,315,857.68/3,195,848.52 = 1,297,298.88/x
  3. Step 3: Cross multiply
    2,315,857.68x = 3,195,848.52 × 1,297,298.88
  4. Step 4: Simplify right side
    2,315,857.68x = 4,145,970,705,645.66
  5. Step 5: Solve for x
    x = 4,145,970,705,645.66/2,315,857.68
  6. Step 6: Final answer
    x = 1,790,252.80

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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.