Home / 2,039,289.72-3,058,279.68-672,756.24

Finding the Fourth Proportional to 2,039,289.72, 3,058,279.68 and 672,756.24

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Solution

The fourth proportional to 2,039,289.72, 3,058,279.68 and 672,756.24 is: 1,008,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,289.72 : 3,058,279.68 = 672,756.24 : x
  2. Step 2: Convert to fraction form
    2,039,289.72/3,058,279.68 = 672,756.24/x
  3. Step 3: Cross multiply
    2,039,289.72x = 3,058,279.68 × 672,756.24
  4. Step 4: Simplify right side
    2,039,289.72x = 2,057,476,738,385.20
  5. Step 5: Solve for x
    x = 2,057,476,738,385.20/2,039,289.72
  6. Step 6: Final answer
    x = 1,008,918.31

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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.