Home / 3,620,533.78-5,422,533.81-1,728,603.82

Finding the Fourth Proportional to 3,620,533.78, 5,422,533.81 and 1,728,603.82

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Solution

The fourth proportional to 3,620,533.78, 5,422,533.81 and 1,728,603.82 is: 2,588,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,533.78 : 5,422,533.81 = 1,728,603.82 : x
  2. Step 2: Convert to fraction form
    3,620,533.78/5,422,533.81 = 1,728,603.82/x
  3. Step 3: Cross multiply
    3,620,533.78x = 5,422,533.81 × 1,728,603.82
  4. Step 4: Simplify right side
    3,620,533.78x = 9,373,412,658,045.15
  5. Step 5: Solve for x
    x = 9,373,412,658,045.15/3,620,533.78
  6. Step 6: Final answer
    x = 2,588,958.76

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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.