Finding the Fourth Proportional to 5,394,631.24, 8,089,269.90 and 1,982,780.20
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Solution
The fourth proportional to 5,394,631.24, 8,089,269.90 and 1,982,780.20 is: 2,973,186.39
Step by Step Solution
- Step 1: Write the proportion equation
5,394,631.24 : 8,089,269.90 = 1,982,780.20 : x - Step 2: Convert to fraction form
5,394,631.24/8,089,269.90 = 1,982,780.20/x - Step 3: Cross multiply
5,394,631.24x = 8,089,269.90 × 1,982,780.20 - Step 4: Simplify right side
5,394,631.24x = 16,039,244,190,175.98 - Step 5: Solve for x
x = 16,039,244,190,175.98/5,394,631.24 - Step 6: Final answer
x = 2,973,186.39
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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.