Home / 6,135,128.80-9,202,606.80-2,769,330.40

Finding the Fourth Proportional to 6,135,128.80, 9,202,606.80 and 2,769,330.40

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Solution

The fourth proportional to 6,135,128.80, 9,202,606.80 and 2,769,330.40 is: 4,153,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135,128.80 : 9,202,606.80 = 2,769,330.40 : x
  2. Step 2: Convert to fraction form
    6,135,128.80/9,202,606.80 = 2,769,330.40/x
  3. Step 3: Cross multiply
    6,135,128.80x = 9,202,606.80 × 2,769,330.40
  4. Step 4: Simplify right side
    6,135,128.80x = 25,485,058,770,486.72
  5. Step 5: Solve for x
    x = 25,485,058,770,486.72/6,135,128.80
  6. Step 6: Final answer
    x = 4,153,956.60

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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.