Home / 3,932,291.42-5,426,730.52-2,189,960.80

Finding the Fourth Proportional to 3,932,291.42, 5,426,730.52 and 2,189,960.80

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Solution

The fourth proportional to 3,932,291.42, 5,426,730.52 and 2,189,960.80 is: 3,022,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932,291.42 : 5,426,730.52 = 2,189,960.80 : x
  2. Step 2: Convert to fraction form
    3,932,291.42/5,426,730.52 = 2,189,960.80/x
  3. Step 3: Cross multiply
    3,932,291.42x = 5,426,730.52 × 2,189,960.80
  4. Step 4: Simplify right side
    3,932,291.42x = 11,884,327,091,921.89
  5. Step 5: Solve for x
    x = 11,884,327,091,921.89/3,932,291.42
  6. Step 6: Final answer
    x = 3,022,239.66

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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.