Home / 3,379,392-4,662,412.80-1,928,044.80

Finding the Fourth Proportional to 3,379,392, 4,662,412.80 and 1,928,044.80

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Solution

The fourth proportional to 3,379,392, 4,662,412.80 and 1,928,044.80 is: 2,660,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379,392 : 4,662,412.80 = 1,928,044.80 : x
  2. Step 2: Convert to fraction form
    3,379,392/4,662,412.80 = 1,928,044.80/x
  3. Step 3: Cross multiply
    3,379,392x = 4,662,412.80 × 1,928,044.80
  4. Step 4: Simplify right side
    3,379,392x = 8,989,340,754,493.44
  5. Step 5: Solve for x
    x = 8,989,340,754,493.44/3,379,392
  6. Step 6: Final answer
    x = 2,660,046.76

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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.