Finding the Fourth Proportional to 1,919,674.26, 2,879,861.32 and 960,631.38
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Solution
The fourth proportional to 1,919,674.26, 2,879,861.32 and 960,631.38 is: 1,441,122.18
Step by Step Solution
- Step 1: Write the proportion equation
1,919,674.26 : 2,879,861.32 = 960,631.38 : x - Step 2: Convert to fraction form
1,919,674.26/2,879,861.32 = 960,631.38/x - Step 3: Cross multiply
1,919,674.26x = 2,879,861.32 × 960,631.38 - Step 4: Simplify right side
1,919,674.26x = 2,766,485,154,040.22 - Step 5: Solve for x
x = 2,766,485,154,040.22/1,919,674.26 - Step 6: Final answer
x = 1,441,122.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.