Home / 5,036,941.72-7,557,638.46-2,640,213.28

Finding the Fourth Proportional to 5,036,941.72, 7,557,638.46 and 2,640,213.28

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Solution

The fourth proportional to 5,036,941.72, 7,557,638.46 and 2,640,213.28 is: 3,961,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036,941.72 : 7,557,638.46 = 2,640,213.28 : x
  2. Step 2: Convert to fraction form
    5,036,941.72/7,557,638.46 = 2,640,213.28/x
  3. Step 3: Cross multiply
    5,036,941.72x = 7,557,638.46 × 2,640,213.28
  4. Step 4: Simplify right side
    5,036,941.72x = 19,953,777,427,530.75
  5. Step 5: Solve for x
    x = 19,953,777,427,530.75/5,036,941.72
  6. Step 6: Final answer
    x = 3,961,486.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.