Finding the Fourth Proportional to 3,929,770, 5,894,654.68 and 1,089,882.12
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Solution
The fourth proportional to 3,929,770, 5,894,654.68 and 1,089,882.12 is: 1,634,823.09
Step by Step Solution
- Step 1: Write the proportion equation
3,929,770 : 5,894,654.68 = 1,089,882.12 : x - Step 2: Convert to fraction form
3,929,770/5,894,654.68 = 1,089,882.12/x - Step 3: Cross multiply
3,929,770x = 5,894,654.68 × 1,089,882.12 - Step 4: Simplify right side
3,929,770x = 6,424,478,739,306.32 - Step 5: Solve for x
x = 6,424,478,739,306.32/3,929,770 - Step 6: Final answer
x = 1,634,823.09
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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.