Home / 2,087,164.92-3,131,797.86-1,555,753.08

Finding the Fourth Proportional to 2,087,164.92, 3,131,797.86 and 1,555,753.08

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Solution

The fourth proportional to 2,087,164.92, 3,131,797.86 and 1,555,753.08 is: 2,334,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,164.92 : 3,131,797.86 = 1,555,753.08 : x
  2. Step 2: Convert to fraction form
    2,087,164.92/3,131,797.86 = 1,555,753.08/x
  3. Step 3: Cross multiply
    2,087,164.92x = 3,131,797.86 × 1,555,753.08
  4. Step 4: Simplify right side
    2,087,164.92x = 4,872,304,166,632.41
  5. Step 5: Solve for x
    x = 4,872,304,166,632.41/2,087,164.92
  6. Step 6: Final answer
    x = 2,334,412.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.