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Finding the Fourth Proportional to 4,994,735.78, 7,489,069.80 and 1,958,463.95

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Solution

The fourth proportional to 4,994,735.78, 7,489,069.80 and 1,958,463.95 is: 2,936,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994,735.78 : 7,489,069.80 = 1,958,463.95 : x
  2. Step 2: Convert to fraction form
    4,994,735.78/7,489,069.80 = 1,958,463.95/x
  3. Step 3: Cross multiply
    4,994,735.78x = 7,489,069.80 × 1,958,463.95
  4. Step 4: Simplify right side
    4,994,735.78x = 14,667,073,184,888.36
  5. Step 5: Solve for x
    x = 14,667,073,184,888.36/4,994,735.78
  6. Step 6: Final answer
    x = 2,936,506.32

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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.