Home / 1,881,147.71-2,821,389.26-743,531.73

Finding the Fourth Proportional to 1,881,147.71, 2,821,389.26 and 743,531.73

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Solution

The fourth proportional to 1,881,147.71, 2,821,389.26 and 743,531.73 is: 1,115,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,147.71 : 2,821,389.26 = 743,531.73 : x
  2. Step 2: Convert to fraction form
    1,881,147.71/2,821,389.26 = 743,531.73/x
  3. Step 3: Cross multiply
    1,881,147.71x = 2,821,389.26 × 743,531.73
  4. Step 4: Simplify right side
    1,881,147.71x = 2,097,792,433,773.56
  5. Step 5: Solve for x
    x = 2,097,792,433,773.56/1,881,147.71
  6. Step 6: Final answer
    x = 1,115,166.25

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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.