Home / 2,138,286.18-2,950,834.56-1,278,846.48

Finding the Fourth Proportional to 2,138,286.18, 2,950,834.56 and 1,278,846.48

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Solution

The fourth proportional to 2,138,286.18, 2,950,834.56 and 1,278,846.48 is: 1,764,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,286.18 : 2,950,834.56 = 1,278,846.48 : x
  2. Step 2: Convert to fraction form
    2,138,286.18/2,950,834.56 = 1,278,846.48/x
  3. Step 3: Cross multiply
    2,138,286.18x = 2,950,834.56 × 1,278,846.48
  4. Step 4: Simplify right side
    2,138,286.18x = 3,773,664,390,118.35
  5. Step 5: Solve for x
    x = 3,773,664,390,118.35/2,138,286.18
  6. Step 6: Final answer
    x = 1,764,807.92

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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.