Finding the Fourth Proportional to 4,089,741.10, 6,134,611.65 and 1,211,211.70
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Solution
The fourth proportional to 4,089,741.10, 6,134,611.65 and 1,211,211.70 is: 1,816,817.55
Step by Step Solution
- Step 1: Write the proportion equation
4,089,741.10 : 6,134,611.65 = 1,211,211.70 : x - Step 2: Convert to fraction form
4,089,741.10/6,134,611.65 = 1,211,211.70/x - Step 3: Cross multiply
4,089,741.10x = 6,134,611.65 × 1,211,211.70 - Step 4: Simplify right side
4,089,741.10x = 7,430,313,405,436.31 - Step 5: Solve for x
x = 7,430,313,405,436.31/4,089,741.10 - Step 6: Final answer
x = 1,816,817.55
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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.