Home / 5,257,555.82-7,886,963.31-1,613,808.42

Finding the Fourth Proportional to 5,257,555.82, 7,886,963.31 and 1,613,808.42

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Solution

The fourth proportional to 5,257,555.82, 7,886,963.31 and 1,613,808.42 is: 2,420,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,555.82 : 7,886,963.31 = 1,613,808.42 : x
  2. Step 2: Convert to fraction form
    5,257,555.82/7,886,963.31 = 1,613,808.42/x
  3. Step 3: Cross multiply
    5,257,555.82x = 7,886,963.31 × 1,613,808.42
  4. Step 4: Simplify right side
    5,257,555.82x = 12,728,047,758,474.25
  5. Step 5: Solve for x
    x = 12,728,047,758,474.25/5,257,555.82
  6. Step 6: Final answer
    x = 2,420,905.87

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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.