Home / 3,298,072.91-4,946,979.96-1,378,488.33

Finding the Fourth Proportional to 3,298,072.91, 4,946,979.96 and 1,378,488.33

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Solution

The fourth proportional to 3,298,072.91, 4,946,979.96 and 1,378,488.33 is: 2,067,678.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298,072.91 : 4,946,979.96 = 1,378,488.33 : x
  2. Step 2: Convert to fraction form
    3,298,072.91/4,946,979.96 = 1,378,488.33/x
  3. Step 3: Cross multiply
    3,298,072.91x = 4,946,979.96 × 1,378,488.33
  4. Step 4: Simplify right side
    3,298,072.91x = 6,819,354,143,603.87
  5. Step 5: Solve for x
    x = 6,819,354,143,603.87/3,298,072.91
  6. Step 6: Final answer
    x = 2,067,678.41

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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.