Finding the Fourth Proportional to 7,047,197.25, 10,570,815.58 and 2,190,213.96
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Solution
The fourth proportional to 7,047,197.25, 10,570,815.58 and 2,190,213.96 is: 3,285,327.07
Step by Step Solution
- Step 1: Write the proportion equation
7,047,197.25 : 10,570,815.58 = 2,190,213.96 : x - Step 2: Convert to fraction form
7,047,197.25/10,570,815.58 = 2,190,213.96/x - Step 3: Cross multiply
7,047,197.25x = 10,570,815.58 × 2,190,213.96 - Step 4: Simplify right side
7,047,197.25x = 23,152,347,891,542.05 - Step 5: Solve for x
x = 23,152,347,891,542.05/7,047,197.25 - Step 6: Final answer
x = 3,285,327.07
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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.