Home / 5,036,940.72-7,557,636.96-2,640,212.28

Finding the Fourth Proportional to 5,036,940.72, 7,557,636.96 and 2,640,212.28

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Solution

The fourth proportional to 5,036,940.72, 7,557,636.96 and 2,640,212.28 is: 3,961,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036,940.72 : 7,557,636.96 = 2,640,212.28 : x
  2. Step 2: Convert to fraction form
    5,036,940.72/7,557,636.96 = 2,640,212.28/x
  3. Step 3: Cross multiply
    5,036,940.72x = 7,557,636.96 × 2,640,212.28
  4. Step 4: Simplify right side
    5,036,940.72x = 19,953,765,909,573.87
  5. Step 5: Solve for x
    x = 19,953,765,909,573.87/5,036,940.72
  6. Step 6: Final answer
    x = 3,961,485.16

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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.