Home / 3,874,014-5,346,113.94-2,131,789.32

Finding the Fourth Proportional to 3,874,014, 5,346,113.94 and 2,131,789.32

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Solution

The fourth proportional to 3,874,014, 5,346,113.94 and 2,131,789.32 is: 2,941,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,014 : 5,346,113.94 = 2,131,789.32 : x
  2. Step 2: Convert to fraction form
    3,874,014/5,346,113.94 = 2,131,789.32/x
  3. Step 3: Cross multiply
    3,874,014x = 5,346,113.94 × 2,131,789.32
  4. Step 4: Simplify right side
    3,874,014x = 11,396,788,600,795.12
  5. Step 5: Solve for x
    x = 11,396,788,600,795.12/3,874,014
  6. Step 6: Final answer
    x = 2,941,855.30

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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.