Home / 1,721,401.92-2,375,486.96-936,441.81

Finding the Fourth Proportional to 1,721,401.92, 2,375,486.96 and 936,441.81

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Solution

The fourth proportional to 1,721,401.92, 2,375,486.96 and 936,441.81 is: 1,292,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,401.92 : 2,375,486.96 = 936,441.81 : x
  2. Step 2: Convert to fraction form
    1,721,401.92/2,375,486.96 = 936,441.81/x
  3. Step 3: Cross multiply
    1,721,401.92x = 2,375,486.96 × 936,441.81
  4. Step 4: Simplify right side
    1,721,401.92x = 2,224,505,303,771.59
  5. Step 5: Solve for x
    x = 2,224,505,303,771.59/1,721,401.92
  6. Step 6: Final answer
    x = 1,292,263.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.