Home / 2,110,002.79-3,161,198.79-1,298,975.71

Finding the Fourth Proportional to 2,110,002.79, 3,161,198.79 and 1,298,975.71

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Solution

The fourth proportional to 2,110,002.79, 3,161,198.79 and 1,298,975.71 is: 1,946,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,002.79 : 3,161,198.79 = 1,298,975.71 : x
  2. Step 2: Convert to fraction form
    2,110,002.79/3,161,198.79 = 1,298,975.71/x
  3. Step 3: Cross multiply
    2,110,002.79x = 3,161,198.79 × 1,298,975.71
  4. Step 4: Simplify right side
    2,110,002.79x = 4,106,320,442,691.39
  5. Step 5: Solve for x
    x = 4,106,320,442,691.39/2,110,002.79
  6. Step 6: Final answer
    x = 1,946,120.86

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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.