Home / 3,420,912.72-5,131,314.04-1,177,070.16

Finding the Fourth Proportional to 3,420,912.72, 5,131,314.04 and 1,177,070.16

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Solution

The fourth proportional to 3,420,912.72, 5,131,314.04 and 1,177,070.16 is: 1,765,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,912.72 : 5,131,314.04 = 1,177,070.16 : x
  2. Step 2: Convert to fraction form
    3,420,912.72/5,131,314.04 = 1,177,070.16/x
  3. Step 3: Cross multiply
    3,420,912.72x = 5,131,314.04 × 1,177,070.16
  4. Step 4: Simplify right side
    3,420,912.72x = 6,039,916,638,073.05
  5. Step 5: Solve for x
    x = 6,039,916,638,073.05/3,420,912.72
  6. Step 6: Final answer
    x = 1,765,586.30

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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.