Finding the Fourth Proportional to 3,684,164.21, 5,525,987.37 and 1,378,217.53
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Solution
The fourth proportional to 3,684,164.21, 5,525,987.37 and 1,378,217.53 is: 2,067,229.43
Step by Step Solution
- Step 1: Write the proportion equation
3,684,164.21 : 5,525,987.37 = 1,378,217.53 : x - Step 2: Convert to fraction form
3,684,164.21/5,525,987.37 = 1,378,217.53/x - Step 3: Cross multiply
3,684,164.21x = 5,525,987.37 × 1,378,217.53 - Step 4: Simplify right side
3,684,164.21x = 7,616,012,665,631.77 - Step 5: Solve for x
x = 7,616,012,665,631.77/3,684,164.21 - Step 6: Final answer
x = 2,067,229.43
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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.