Home / 3,879,948.86-5,809,986.06-3,238,658.08

Finding the Fourth Proportional to 3,879,948.86, 5,809,986.06 and 3,238,658.08

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Solution

The fourth proportional to 3,879,948.86, 5,809,986.06 and 3,238,658.08 is: 4,849,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,948.86 : 5,809,986.06 = 3,238,658.08 : x
  2. Step 2: Convert to fraction form
    3,879,948.86/5,809,986.06 = 3,238,658.08/x
  3. Step 3: Cross multiply
    3,879,948.86x = 5,809,986.06 × 3,238,658.08
  4. Step 4: Simplify right side
    3,879,948.86x = 18,816,558,297,906.36
  5. Step 5: Solve for x
    x = 18,816,558,297,906.36/3,879,948.86
  6. Step 6: Final answer
    x = 4,849,692.35

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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.