Home / 2,632,629.70-3,948,944.58-638,085.70

Finding the Fourth Proportional to 2,632,629.70, 3,948,944.58 and 638,085.70

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Solution

The fourth proportional to 2,632,629.70, 3,948,944.58 and 638,085.70 is: 957,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,629.70 : 3,948,944.58 = 638,085.70 : x
  2. Step 2: Convert to fraction form
    2,632,629.70/3,948,944.58 = 638,085.70/x
  3. Step 3: Cross multiply
    2,632,629.70x = 3,948,944.58 × 638,085.70
  4. Step 4: Simplify right side
    2,632,629.70x = 2,519,765,066,590.51
  5. Step 5: Solve for x
    x = 2,519,765,066,590.51/2,632,629.70
  6. Step 6: Final answer
    x = 957,128.56

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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.