Finding the Fourth Proportional to 2,399,175.18, 3,310,861.91 and 1,311,451.07
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Solution
The fourth proportional to 2,399,175.18, 3,310,861.91 and 1,311,451.07 is: 1,809,802.56
Step by Step Solution
- Step 1: Write the proportion equation
2,399,175.18 : 3,310,861.91 = 1,311,451.07 : x - Step 2: Convert to fraction form
2,399,175.18/3,310,861.91 = 1,311,451.07/x - Step 3: Cross multiply
2,399,175.18x = 3,310,861.91 × 1,311,451.07 - Step 4: Simplify right side
2,399,175.18x = 4,342,033,371,380.18 - Step 5: Solve for x
x = 4,342,033,371,380.18/2,399,175.18 - Step 6: Final answer
x = 1,809,802.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.