Finding the Fourth Proportional to 5,494,321.80, 8,241,482.70 and 1,505,233.80
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Solution
The fourth proportional to 5,494,321.80, 8,241,482.70 and 1,505,233.80 is: 2,257,850.70
Step by Step Solution
- Step 1: Write the proportion equation
5,494,321.80 : 8,241,482.70 = 1,505,233.80 : x - Step 2: Convert to fraction form
5,494,321.80/8,241,482.70 = 1,505,233.80/x - Step 3: Cross multiply
5,494,321.80x = 8,241,482.70 × 1,505,233.80 - Step 4: Simplify right side
5,494,321.80x = 12,405,358,322,155.26 - Step 5: Solve for x
x = 12,405,358,322,155.26/5,494,321.80 - Step 6: Final answer
x = 2,257,850.70
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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.