Home / 2,080,608.24-2,870,787.96-1,209,601.20

Finding the Fourth Proportional to 2,080,608.24, 2,870,787.96 and 1,209,601.20

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Solution

The fourth proportional to 2,080,608.24, 2,870,787.96 and 1,209,601.20 is: 1,668,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,608.24 : 2,870,787.96 = 1,209,601.20 : x
  2. Step 2: Convert to fraction form
    2,080,608.24/2,870,787.96 = 1,209,601.20/x
  3. Step 3: Cross multiply
    2,080,608.24x = 2,870,787.96 × 1,209,601.20
  4. Step 4: Simplify right side
    2,080,608.24x = 3,472,508,561,361.55
  5. Step 5: Solve for x
    x = 3,472,508,561,361.55/2,080,608.24
  6. Step 6: Final answer
    x = 1,668,987.22

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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.