Home / 3,179,684.31-4,388,019.89-1,729,389.54

Finding the Fourth Proportional to 3,179,684.31, 4,388,019.89 and 1,729,389.54

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Solution

The fourth proportional to 3,179,684.31, 4,388,019.89 and 1,729,389.54 is: 2,386,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,684.31 : 4,388,019.89 = 1,729,389.54 : x
  2. Step 2: Convert to fraction form
    3,179,684.31/4,388,019.89 = 1,729,389.54/x
  3. Step 3: Cross multiply
    3,179,684.31x = 4,388,019.89 × 1,729,389.54
  4. Step 4: Simplify right side
    3,179,684.31x = 7,588,595,682,203.47
  5. Step 5: Solve for x
    x = 7,588,595,682,203.47/3,179,684.31
  6. Step 6: Final answer
    x = 2,386,587.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.