Home / 2,659,172.42-3,990,004.31-1,310,599.88

Finding the Fourth Proportional to 2,659,172.42, 3,990,004.31 and 1,310,599.88

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Solution

The fourth proportional to 2,659,172.42, 3,990,004.31 and 1,310,599.88 is: 1,966,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,172.42 : 3,990,004.31 = 1,310,599.88 : x
  2. Step 2: Convert to fraction form
    2,659,172.42/3,990,004.31 = 1,310,599.88/x
  3. Step 3: Cross multiply
    2,659,172.42x = 3,990,004.31 × 1,310,599.88
  4. Step 4: Simplify right side
    2,659,172.42x = 5,229,299,168,174.48
  5. Step 5: Solve for x
    x = 5,229,299,168,174.48/2,659,172.42
  6. Step 6: Final answer
    x = 1,966,513.76

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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.