Finding the Fourth Proportional to 2,861,790.40, 3,948,409.53 and 1,715,452.48
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Solution
The fourth proportional to 2,861,790.40, 3,948,409.53 and 1,715,452.48 is: 2,366,808.18
Step by Step Solution
- Step 1: Write the proportion equation
2,861,790.40 : 3,948,409.53 = 1,715,452.48 : x - Step 2: Convert to fraction form
2,861,790.40/3,948,409.53 = 1,715,452.48/x - Step 3: Cross multiply
2,861,790.40x = 3,948,409.53 × 1,715,452.48 - Step 4: Simplify right side
2,861,790.40x = 6,773,308,920,294.13 - Step 5: Solve for x
x = 6,773,308,920,294.13/2,861,790.40 - Step 6: Final answer
x = 2,366,808.18
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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.