Home / 3,516,913.88-5,274,632.44-991,978.64

Finding the Fourth Proportional to 3,516,913.88, 5,274,632.44 and 991,978.64

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Solution

The fourth proportional to 3,516,913.88, 5,274,632.44 and 991,978.64 is: 1,487,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,913.88 : 5,274,632.44 = 991,978.64 : x
  2. Step 2: Convert to fraction form
    3,516,913.88/5,274,632.44 = 991,978.64/x
  3. Step 3: Cross multiply
    3,516,913.88x = 5,274,632.44 × 991,978.64
  4. Step 4: Simplify right side
    3,516,913.88x = 5,232,322,714,331.08
  5. Step 5: Solve for x
    x = 5,232,322,714,331.08/3,516,913.88
  6. Step 6: Final answer
    x = 1,487,759.69

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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.