Home / 2,119,975.03-3,179,556.72-823,127.29

Finding the Fourth Proportional to 2,119,975.03, 3,179,556.72 and 823,127.29

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Solution

The fourth proportional to 2,119,975.03, 3,179,556.72 and 823,127.29 is: 1,234,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,975.03 : 3,179,556.72 = 823,127.29 : x
  2. Step 2: Convert to fraction form
    2,119,975.03/3,179,556.72 = 823,127.29/x
  3. Step 3: Cross multiply
    2,119,975.03x = 3,179,556.72 × 823,127.29
  4. Step 4: Simplify right side
    2,119,975.03x = 2,617,179,898,386.00
  5. Step 5: Solve for x
    x = 2,617,179,898,386.00/2,119,975.03
  6. Step 6: Final answer
    x = 1,234,533.36

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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.