Home / 1,941,249.42-2,678,926.77-1,081,790.82

Finding the Fourth Proportional to 1,941,249.42, 2,678,926.77 and 1,081,790.82

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Solution

The fourth proportional to 1,941,249.42, 2,678,926.77 and 1,081,790.82 is: 1,492,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,249.42 : 2,678,926.77 = 1,081,790.82 : x
  2. Step 2: Convert to fraction form
    1,941,249.42/2,678,926.77 = 1,081,790.82/x
  3. Step 3: Cross multiply
    1,941,249.42x = 2,678,926.77 × 1,081,790.82
  4. Step 4: Simplify right side
    1,941,249.42x = 2,898,038,387,238.25
  5. Step 5: Solve for x
    x = 2,898,038,387,238.25/1,941,249.42
  6. Step 6: Final answer
    x = 1,492,872.76

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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.