Home / 3,619,608.12-5,428,515.06-1,223,399.52

Finding the Fourth Proportional to 3,619,608.12, 5,428,515.06 and 1,223,399.52

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Solution

The fourth proportional to 3,619,608.12, 5,428,515.06 and 1,223,399.52 is: 1,834,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,608.12 : 5,428,515.06 = 1,223,399.52 : x
  2. Step 2: Convert to fraction form
    3,619,608.12/5,428,515.06 = 1,223,399.52/x
  3. Step 3: Cross multiply
    3,619,608.12x = 5,428,515.06 × 1,223,399.52
  4. Step 4: Simplify right side
    3,619,608.12x = 6,641,242,718,716.77
  5. Step 5: Solve for x
    x = 6,641,242,718,716.77/3,619,608.12
  6. Step 6: Final answer
    x = 1,834,796.06

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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.