Home / 2,227,792.20-3,075,745.14-1,531,272.12

Finding the Fourth Proportional to 2,227,792.20, 3,075,745.14 and 1,531,272.12

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Solution

The fourth proportional to 2,227,792.20, 3,075,745.14 and 1,531,272.12 is: 2,114,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,792.20 : 3,075,745.14 = 1,531,272.12 : x
  2. Step 2: Convert to fraction form
    2,227,792.20/3,075,745.14 = 1,531,272.12/x
  3. Step 3: Cross multiply
    2,227,792.20x = 3,075,745.14 × 1,531,272.12
  4. Step 4: Simplify right side
    2,227,792.20x = 4,709,802,781,107.50
  5. Step 5: Solve for x
    x = 4,709,802,781,107.50/2,227,792.20
  6. Step 6: Final answer
    x = 2,114,112.25

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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.