Home / 5,131,883.88-7,082,222.04-2,840,045.31

Finding the Fourth Proportional to 5,131,883.88, 7,082,222.04 and 2,840,045.31

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Solution

The fourth proportional to 5,131,883.88, 7,082,222.04 and 2,840,045.31 is: 3,919,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,883.88 : 7,082,222.04 = 2,840,045.31 : x
  2. Step 2: Convert to fraction form
    5,131,883.88/7,082,222.04 = 2,840,045.31/x
  3. Step 3: Cross multiply
    5,131,883.88x = 7,082,222.04 × 2,840,045.31
  4. Step 4: Simplify right side
    5,131,883.88x = 20,113,831,489,080.63
  5. Step 5: Solve for x
    x = 20,113,831,489,080.63/5,131,883.88
  6. Step 6: Final answer
    x = 3,919,385.54

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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.