Home / 5,257,556.82-7,886,964.81-1,613,809.42

Finding the Fourth Proportional to 5,257,556.82, 7,886,964.81 and 1,613,809.42

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Solution

The fourth proportional to 5,257,556.82, 7,886,964.81 and 1,613,809.42 is: 2,420,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,556.82 : 7,886,964.81 = 1,613,809.42 : x
  2. Step 2: Convert to fraction form
    5,257,556.82/7,886,964.81 = 1,613,809.42/x
  3. Step 3: Cross multiply
    5,257,556.82x = 7,886,964.81 × 1,613,809.42
  4. Step 4: Simplify right side
    5,257,556.82x = 12,728,058,066,151.69
  5. Step 5: Solve for x
    x = 12,728,058,066,151.69/5,257,556.82
  6. Step 6: Final answer
    x = 2,420,907.37

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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.