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Finding the Fourth Proportional to 3,232,786.78, 4,843,692.73 and 1,950,700.40

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Solution

The fourth proportional to 3,232,786.78, 4,843,692.73 and 1,950,700.40 is: 2,922,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232,786.78 : 4,843,692.73 = 1,950,700.40 : x
  2. Step 2: Convert to fraction form
    3,232,786.78/4,843,692.73 = 1,950,700.40/x
  3. Step 3: Cross multiply
    3,232,786.78x = 4,843,692.73 × 1,950,700.40
  4. Step 4: Simplify right side
    3,232,786.78x = 9,448,593,345,888.09
  5. Step 5: Solve for x
    x = 9,448,593,345,888.09/3,232,786.78
  6. Step 6: Final answer
    x = 2,922,739.42

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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.