Home / 4,001,978.22-5,522,723.60-2,166,436.02

Finding the Fourth Proportional to 4,001,978.22, 5,522,723.60 and 2,166,436.02

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Solution

The fourth proportional to 4,001,978.22, 5,522,723.60 and 2,166,436.02 is: 2,989,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001,978.22 : 5,522,723.60 = 2,166,436.02 : x
  2. Step 2: Convert to fraction form
    4,001,978.22/5,522,723.60 = 2,166,436.02/x
  3. Step 3: Cross multiply
    4,001,978.22x = 5,522,723.60 × 2,166,436.02
  4. Step 4: Simplify right side
    4,001,978.22x = 11,964,627,335,544.07
  5. Step 5: Solve for x
    x = 11,964,627,335,544.07/4,001,978.22
  6. Step 6: Final answer
    x = 2,989,678.27

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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.