Finding the Fourth Proportional to 5,394,830.40, 8,092,245.60 and 1,405,742.40
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Solution
The fourth proportional to 5,394,830.40, 8,092,245.60 and 1,405,742.40 is: 2,108,613.60
Step by Step Solution
- Step 1: Write the proportion equation
5,394,830.40 : 8,092,245.60 = 1,405,742.40 : x - Step 2: Convert to fraction form
5,394,830.40/8,092,245.60 = 1,405,742.40/x - Step 3: Cross multiply
5,394,830.40x = 8,092,245.60 × 1,405,742.40 - Step 4: Simplify right side
5,394,830.40x = 11,375,612,751,133.44 - Step 5: Solve for x
x = 11,375,612,751,133.44/5,394,830.40 - Step 6: Final answer
x = 2,108,613.60
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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.