Home / 3,919,940.19-5,409,670.08-2,177,741.04

Finding the Fourth Proportional to 3,919,940.19, 5,409,670.08 and 2,177,741.04

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Solution

The fourth proportional to 3,919,940.19, 5,409,670.08 and 2,177,741.04 is: 3,005,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,940.19 : 5,409,670.08 = 2,177,741.04 : x
  2. Step 2: Convert to fraction form
    3,919,940.19/5,409,670.08 = 2,177,741.04/x
  3. Step 3: Cross multiply
    3,919,940.19x = 5,409,670.08 × 2,177,741.04
  4. Step 4: Simplify right side
    3,919,940.19x = 11,780,860,546,076.08
  5. Step 5: Solve for x
    x = 11,780,860,546,076.08/3,919,940.19
  6. Step 6: Final answer
    x = 3,005,367.42

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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.