Home / 3,667,280.80-5,485,369.20-3,290,922.40

Finding the Fourth Proportional to 3,667,280.80, 5,485,369.20 and 3,290,922.40

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Solution

The fourth proportional to 3,667,280.80, 5,485,369.20 and 3,290,922.40 is: 4,922,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667,280.80 : 5,485,369.20 = 3,290,922.40 : x
  2. Step 2: Convert to fraction form
    3,667,280.80/5,485,369.20 = 3,290,922.40/x
  3. Step 3: Cross multiply
    3,667,280.80x = 5,485,369.20 × 3,290,922.40
  4. Step 4: Simplify right side
    3,667,280.80x = 18,051,924,372,550.08
  5. Step 5: Solve for x
    x = 18,051,924,372,550.08/3,667,280.80
  6. Step 6: Final answer
    x = 4,922,427.64

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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.