Home / 2,485,485.78-3,429,937.71-1,397,757.06

Finding the Fourth Proportional to 2,485,485.78, 3,429,937.71 and 1,397,757.06

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Solution

The fourth proportional to 2,485,485.78, 3,429,937.71 and 1,397,757.06 is: 1,928,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,485.78 : 3,429,937.71 = 1,397,757.06 : x
  2. Step 2: Convert to fraction form
    2,485,485.78/3,429,937.71 = 1,397,757.06/x
  3. Step 3: Cross multiply
    2,485,485.78x = 3,429,937.71 × 1,397,757.06
  4. Step 4: Simplify right side
    2,485,485.78x = 4,794,219,649,512.73
  5. Step 5: Solve for x
    x = 4,794,219,649,512.73/2,485,485.78
  6. Step 6: Final answer
    x = 1,928,886.37

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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.