Home / 3,876,745.26-5,349,908.61-2,157,828.96

Finding the Fourth Proportional to 3,876,745.26, 5,349,908.61 and 2,157,828.96

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Solution

The fourth proportional to 3,876,745.26, 5,349,908.61 and 2,157,828.96 is: 2,977,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,745.26 : 5,349,908.61 = 2,157,828.96 : x
  2. Step 2: Convert to fraction form
    3,876,745.26/5,349,908.61 = 2,157,828.96/x
  3. Step 3: Cross multiply
    3,876,745.26x = 5,349,908.61 × 2,157,828.96
  4. Step 4: Simplify right side
    3,876,745.26x = 11,544,187,732,011.35
  5. Step 5: Solve for x
    x = 11,544,187,732,011.35/3,876,745.26
  6. Step 6: Final answer
    x = 2,977,804.05

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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.