Finding the Fourth Proportional to 3,165,452.56, 4,368,328.50 and 1,715,147.62
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Solution
The fourth proportional to 3,165,452.56, 4,368,328.50 and 1,715,147.62 is: 2,366,905.87
Step by Step Solution
- Step 1: Write the proportion equation
3,165,452.56 : 4,368,328.50 = 1,715,147.62 : x - Step 2: Convert to fraction form
3,165,452.56/4,368,328.50 = 1,715,147.62/x - Step 3: Cross multiply
3,165,452.56x = 4,368,328.50 × 1,715,147.62 - Step 4: Simplify right side
3,165,452.56x = 7,492,328,230,153.17 - Step 5: Solve for x
x = 7,492,328,230,153.17/3,165,452.56 - Step 6: Final answer
x = 2,366,905.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.