Home / 2,119,020.34-3,178,921.47-699,174.58

Finding the Fourth Proportional to 2,119,020.34, 3,178,921.47 and 699,174.58

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Solution

The fourth proportional to 2,119,020.34, 3,178,921.47 and 699,174.58 is: 1,048,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,020.34 : 3,178,921.47 = 699,174.58 : x
  2. Step 2: Convert to fraction form
    2,119,020.34/3,178,921.47 = 699,174.58/x
  3. Step 3: Cross multiply
    2,119,020.34x = 3,178,921.47 × 699,174.58
  4. Step 4: Simplify right side
    2,119,020.34x = 2,222,621,083,640.23
  5. Step 5: Solve for x
    x = 2,222,621,083,640.23/2,119,020.34
  6. Step 6: Final answer
    x = 1,048,890.87

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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.