Home / 2,113,271-3,170,128.08-915,314.48

Finding the Fourth Proportional to 2,113,271, 3,170,128.08 and 915,314.48

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Solution

The fourth proportional to 2,113,271, 3,170,128.08 and 915,314.48 is: 1,373,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,271 : 3,170,128.08 = 915,314.48 : x
  2. Step 2: Convert to fraction form
    2,113,271/3,170,128.08 = 915,314.48/x
  3. Step 3: Cross multiply
    2,113,271x = 3,170,128.08 × 915,314.48
  4. Step 4: Simplify right side
    2,113,271x = 2,901,664,135,078.60
  5. Step 5: Solve for x
    x = 2,901,664,135,078.60/2,113,271
  6. Step 6: Final answer
    x = 1,373,067.69

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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.