Home / 2,238,100-3,357,150.06-640,668.76

Finding the Fourth Proportional to 2,238,100, 3,357,150.06 and 640,668.76

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Solution

The fourth proportional to 2,238,100, 3,357,150.06 and 640,668.76 is: 961,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,100 : 3,357,150.06 = 640,668.76 : x
  2. Step 2: Convert to fraction form
    2,238,100/3,357,150.06 = 640,668.76/x
  3. Step 3: Cross multiply
    2,238,100x = 3,357,150.06 × 640,668.76
  4. Step 4: Simplify right side
    2,238,100x = 2,150,821,166,074.13
  5. Step 5: Solve for x
    x = 2,150,821,166,074.13/2,238,100
  6. Step 6: Final answer
    x = 961,003.16

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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.