Home / 2,489,660.40-3,734,490.60-1,991,996.40

Finding the Fourth Proportional to 2,489,660.40, 3,734,490.60 and 1,991,996.40

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Solution

The fourth proportional to 2,489,660.40, 3,734,490.60 and 1,991,996.40 is: 2,987,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,660.40 : 3,734,490.60 = 1,991,996.40 : x
  2. Step 2: Convert to fraction form
    2,489,660.40/3,734,490.60 = 1,991,996.40/x
  3. Step 3: Cross multiply
    2,489,660.40x = 3,734,490.60 × 1,991,996.40
  4. Step 4: Simplify right side
    2,489,660.40x = 7,439,091,831,033.84
  5. Step 5: Solve for x
    x = 7,439,091,831,033.84/2,489,660.40
  6. Step 6: Final answer
    x = 2,987,994.60

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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.