Finding the Fourth Proportional to 3,699,132.80, 5,546,074.80 and 1,678,344.80
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Solution
The fourth proportional to 3,699,132.80, 5,546,074.80 and 1,678,344.80 is: 2,516,326.48
Step by Step Solution
- Step 1: Write the proportion equation
3,699,132.80 : 5,546,074.80 = 1,678,344.80 : x - Step 2: Convert to fraction form
3,699,132.80/5,546,074.80 = 1,678,344.80/x - Step 3: Cross multiply
3,699,132.80x = 5,546,074.80 × 1,678,344.80 - Step 4: Simplify right side
3,699,132.80x = 9,308,225,800,991.04 - Step 5: Solve for x
x = 9,308,225,800,991.04/3,699,132.80 - Step 6: Final answer
x = 2,516,326.48
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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.