Finding the Fourth Proportional to 5,207,379.53, 7,812,316.49 and 2,173,057.43
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Solution
The fourth proportional to 5,207,379.53, 7,812,316.49 and 2,173,057.43 is: 3,260,106.60
Step by Step Solution
- Step 1: Write the proportion equation
5,207,379.53 : 7,812,316.49 = 2,173,057.43 : x - Step 2: Convert to fraction form
5,207,379.53/7,812,316.49 = 2,173,057.43/x - Step 3: Cross multiply
5,207,379.53x = 7,812,316.49 × 2,173,057.43 - Step 4: Simplify right side
5,207,379.53x = 16,976,612,344,179.15 - Step 5: Solve for x
x = 16,976,612,344,179.15/5,207,379.53 - Step 6: Final answer
x = 3,260,106.60
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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.