Home / 3,959,887.72-5,464,647.84-2,149,051.72

Finding the Fourth Proportional to 3,959,887.72, 5,464,647.84 and 2,149,051.72

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Solution

The fourth proportional to 3,959,887.72, 5,464,647.84 and 2,149,051.72 is: 2,965,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,887.72 : 5,464,647.84 = 2,149,051.72 : x
  2. Step 2: Convert to fraction form
    3,959,887.72/5,464,647.84 = 2,149,051.72/x
  3. Step 3: Cross multiply
    3,959,887.72x = 5,464,647.84 × 2,149,051.72
  4. Step 4: Simplify right side
    3,959,887.72x = 11,743,810,839,746.29
  5. Step 5: Solve for x
    x = 11,743,810,839,746.29/3,959,887.72
  6. Step 6: Final answer
    x = 2,965,692.89

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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.