Home / 1,926,935.21-2,658,976.78-1,067,334.86

Finding the Fourth Proportional to 1,926,935.21, 2,658,976.78 and 1,067,334.86

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Solution

The fourth proportional to 1,926,935.21, 2,658,976.78 and 1,067,334.86 is: 1,472,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,935.21 : 2,658,976.78 = 1,067,334.86 : x
  2. Step 2: Convert to fraction form
    1,926,935.21/2,658,976.78 = 1,067,334.86/x
  3. Step 3: Cross multiply
    1,926,935.21x = 2,658,976.78 × 1,067,334.86
  4. Step 4: Simplify right side
    1,926,935.21x = 2,838,018,595,929.67
  5. Step 5: Solve for x
    x = 2,838,018,595,929.67/1,926,935.21
  6. Step 6: Final answer
    x = 1,472,814.75

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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.