Home / 3,876,828.15-5,349,934.94-2,427,323.43

Finding the Fourth Proportional to 3,876,828.15, 5,349,934.94 and 2,427,323.43

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Solution

The fourth proportional to 3,876,828.15, 5,349,934.94 and 2,427,323.43 is: 3,349,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,828.15 : 5,349,934.94 = 2,427,323.43 : x
  2. Step 2: Convert to fraction form
    3,876,828.15/5,349,934.94 = 2,427,323.43/x
  3. Step 3: Cross multiply
    3,876,828.15x = 5,349,934.94 × 2,427,323.43
  4. Step 4: Simplify right side
    3,876,828.15x = 12,986,022,415,462.81
  5. Step 5: Solve for x
    x = 12,986,022,415,462.81/3,876,828.15
  6. Step 6: Final answer
    x = 3,349,651.29

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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.