Finding the Fourth Proportional to 5,571,034.11, 8,345,790.99 and 4,109,505.75
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Solution
The fourth proportional to 5,571,034.11, 8,345,790.99 and 4,109,505.75 is: 6,156,321.32
Step by Step Solution
- Step 1: Write the proportion equation
5,571,034.11 : 8,345,790.99 = 4,109,505.75 : x - Step 2: Convert to fraction form
5,571,034.11/8,345,790.99 = 4,109,505.75/x - Step 3: Cross multiply
5,571,034.11x = 8,345,790.99 × 4,109,505.75 - Step 4: Simplify right side
5,571,034.11x = 34,297,076,061,703.20 - Step 5: Solve for x
x = 34,297,076,061,703.20/5,571,034.11 - Step 6: Final answer
x = 6,156,321.32
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1.5x scale
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.