Home / 3,927,170.82-5,419,528.02-2,208,276.30

Finding the Fourth Proportional to 3,927,170.82, 5,419,528.02 and 2,208,276.30

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Solution

The fourth proportional to 3,927,170.82, 5,419,528.02 and 2,208,276.30 is: 3,047,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,170.82 : 5,419,528.02 = 2,208,276.30 : x
  2. Step 2: Convert to fraction form
    3,927,170.82/5,419,528.02 = 2,208,276.30/x
  3. Step 3: Cross multiply
    3,927,170.82x = 5,419,528.02 × 2,208,276.30
  4. Step 4: Simplify right side
    3,927,170.82x = 11,967,815,283,751.92
  5. Step 5: Solve for x
    x = 11,967,815,283,751.92/3,927,170.82
  6. Step 6: Final answer
    x = 3,047,439.45

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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.