Home / 2,221,987.64-3,066,405.92-1,255,158.68

Finding the Fourth Proportional to 2,221,987.64, 3,066,405.92 and 1,255,158.68

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Solution

The fourth proportional to 2,221,987.64, 3,066,405.92 and 1,255,158.68 is: 1,732,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,987.64 : 3,066,405.92 = 1,255,158.68 : x
  2. Step 2: Convert to fraction form
    2,221,987.64/3,066,405.92 = 1,255,158.68/x
  3. Step 3: Cross multiply
    2,221,987.64x = 3,066,405.92 × 1,255,158.68
  4. Step 4: Simplify right side
    2,221,987.64x = 3,848,826,006,891.39
  5. Step 5: Solve for x
    x = 3,848,826,006,891.39/2,221,987.64
  6. Step 6: Final answer
    x = 1,732,154.55

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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.