Home / 3,111,607.80-4,667,403.60-867,745.80

Finding the Fourth Proportional to 3,111,607.80, 4,667,403.60 and 867,745.80

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Solution

The fourth proportional to 3,111,607.80, 4,667,403.60 and 867,745.80 is: 1,301,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,607.80 : 4,667,403.60 = 867,745.80 : x
  2. Step 2: Convert to fraction form
    3,111,607.80/4,667,403.60 = 867,745.80/x
  3. Step 3: Cross multiply
    3,111,607.80x = 4,667,403.60 × 867,745.80
  4. Step 4: Simplify right side
    3,111,607.80x = 4,050,119,870,804.88
  5. Step 5: Solve for x
    x = 4,050,119,870,804.88/3,111,607.80
  6. Step 6: Final answer
    x = 1,301,616.44

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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.