Home / 3,175,608.56-4,382,321.22-1,869,619.64

Finding the Fourth Proportional to 3,175,608.56, 4,382,321.22 and 1,869,619.64

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Solution

The fourth proportional to 3,175,608.56, 4,382,321.22 and 1,869,619.64 is: 2,580,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,608.56 : 4,382,321.22 = 1,869,619.64 : x
  2. Step 2: Convert to fraction form
    3,175,608.56/4,382,321.22 = 1,869,619.64/x
  3. Step 3: Cross multiply
    3,175,608.56x = 4,382,321.22 × 1,869,619.64
  4. Step 4: Simplify right side
    3,175,608.56x = 8,193,273,821,700.76
  5. Step 5: Solve for x
    x = 8,193,273,821,700.76/3,175,608.56
  6. Step 6: Final answer
    x = 2,580,064.16

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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.