Home / 2,890,375.20-3,987,997.20-1,667,054.88

Finding the Fourth Proportional to 2,890,375.20, 3,987,997.20 and 1,667,054.88

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Solution

The fourth proportional to 2,890,375.20, 3,987,997.20 and 1,667,054.88 is: 2,300,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,375.20 : 3,987,997.20 = 1,667,054.88 : x
  2. Step 2: Convert to fraction form
    2,890,375.20/3,987,997.20 = 1,667,054.88/x
  3. Step 3: Cross multiply
    2,890,375.20x = 3,987,997.20 × 1,667,054.88
  4. Step 4: Simplify right side
    2,890,375.20x = 6,648,210,193,686.34
  5. Step 5: Solve for x
    x = 6,648,210,193,686.34/2,890,375.20
  6. Step 6: Final answer
    x = 2,300,120.13

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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.