Home / 2,315,863.68-3,195,856.77-1,297,304.88

Finding the Fourth Proportional to 2,315,863.68, 3,195,856.77 and 1,297,304.88

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Solution

The fourth proportional to 2,315,863.68, 3,195,856.77 and 1,297,304.88 is: 1,790,261.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,863.68 : 3,195,856.77 = 1,297,304.88 : x
  2. Step 2: Convert to fraction form
    2,315,863.68/3,195,856.77 = 1,297,304.88/x
  3. Step 3: Cross multiply
    2,315,863.68x = 3,195,856.77 × 1,297,304.88
  4. Step 4: Simplify right side
    2,315,863.68x = 4,146,000,583,502.04
  5. Step 5: Solve for x
    x = 4,146,000,583,502.04/2,315,863.68
  6. Step 6: Final answer
    x = 1,790,261.07

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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.