Home / 2,112,726.78-3,168,149.76-673,145.64

Finding the Fourth Proportional to 2,112,726.78, 3,168,149.76 and 673,145.64

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Solution

The fourth proportional to 2,112,726.78, 3,168,149.76 and 673,145.64 is: 1,009,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,726.78 : 3,168,149.76 = 673,145.64 : x
  2. Step 2: Convert to fraction form
    2,112,726.78/3,168,149.76 = 673,145.64/x
  3. Step 3: Cross multiply
    2,112,726.78x = 3,168,149.76 × 673,145.64
  4. Step 4: Simplify right side
    2,112,726.78x = 2,132,626,197,811.05
  5. Step 5: Solve for x
    x = 2,132,626,197,811.05/2,112,726.78
  6. Step 6: Final answer
    x = 1,009,418.83

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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.