Home / 2,485,634.88-3,430,143.36-1,397,906.16

Finding the Fourth Proportional to 2,485,634.88, 3,430,143.36 and 1,397,906.16

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Solution

The fourth proportional to 2,485,634.88, 3,430,143.36 and 1,397,906.16 is: 1,929,092.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,634.88 : 3,430,143.36 = 1,397,906.16 : x
  2. Step 2: Convert to fraction form
    2,485,634.88/3,430,143.36 = 1,397,906.16/x
  3. Step 3: Cross multiply
    2,485,634.88x = 3,430,143.36 × 1,397,906.16
  4. Step 4: Simplify right side
    2,485,634.88x = 4,795,018,532,627.10
  5. Step 5: Solve for x
    x = 4,795,018,532,627.10/2,485,634.88
  6. Step 6: Final answer
    x = 1,929,092.07

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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.