Finding the Fourth Proportional to 3,943,653.62, 5,442,245.62 and 2,132,817.62
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Solution
The fourth proportional to 3,943,653.62, 5,442,245.62 and 2,132,817.62 is: 2,943,290.27
Step by Step Solution
- Step 1: Write the proportion equation
3,943,653.62 : 5,442,245.62 = 2,132,817.62 : x - Step 2: Convert to fraction form
3,943,653.62/5,442,245.62 = 2,132,817.62/x - Step 3: Cross multiply
3,943,653.62x = 5,442,245.62 × 2,132,817.62 - Step 4: Simplify right side
3,943,653.62x = 11,607,317,318,160.55 - Step 5: Solve for x
x = 11,607,317,318,160.55/3,943,653.62 - Step 6: Final answer
x = 2,943,290.27
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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.