Home / 3,991,059.31-5,507,667-2,272,179.78

Finding the Fourth Proportional to 3,991,059.31, 5,507,667 and 2,272,179.78

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Solution

The fourth proportional to 3,991,059.31, 5,507,667 and 2,272,179.78 is: 3,135,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,059.31 : 5,507,667 = 2,272,179.78 : x
  2. Step 2: Convert to fraction form
    3,991,059.31/5,507,667 = 2,272,179.78/x
  3. Step 3: Cross multiply
    3,991,059.31x = 5,507,667 × 2,272,179.78
  4. Step 4: Simplify right side
    3,991,059.31x = 12,514,409,592,373.26
  5. Step 5: Solve for x
    x = 12,514,409,592,373.26/3,991,059.31
  6. Step 6: Final answer
    x = 3,135,611.03

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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.