Home / 6,721,684.21-9,275,881.83-3,821,075.22

Finding the Fourth Proportional to 6,721,684.21, 9,275,881.83 and 3,821,075.22

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Solution

The fourth proportional to 6,721,684.21, 9,275,881.83 and 3,821,075.22 is: 5,273,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,684.21 : 9,275,881.83 = 3,821,075.22 : x
  2. Step 2: Convert to fraction form
    6,721,684.21/9,275,881.83 = 3,821,075.22/x
  3. Step 3: Cross multiply
    6,721,684.21x = 9,275,881.83 × 3,821,075.22
  4. Step 4: Simplify right side
    6,721,684.21x = 35,443,842,224,716.77
  5. Step 5: Solve for x
    x = 35,443,842,224,716.77/6,721,684.21
  6. Step 6: Final answer
    x = 5,273,059.71

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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.