Finding the Fourth Proportional to 3,702,839.37, 5,107,861.26 and 2,153,926.68
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Solution
The fourth proportional to 3,702,839.37, 5,107,861.26 and 2,153,926.68 is: 2,971,222.23
Step by Step Solution
- Step 1: Write the proportion equation
3,702,839.37 : 5,107,861.26 = 2,153,926.68 : x - Step 2: Convert to fraction form
3,702,839.37/5,107,861.26 = 2,153,926.68/x - Step 3: Cross multiply
3,702,839.37x = 5,107,861.26 × 2,153,926.68 - Step 4: Simplify right side
3,702,839.37x = 11,001,958,645,652.42 - Step 5: Solve for x
x = 11,001,958,645,652.42/3,702,839.37 - Step 6: Final answer
x = 2,971,222.23
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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.