Finding the Fourth Proportional to 2,811,241.14, 4,216,861.62 and 681,325.26
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Solution
The fourth proportional to 2,811,241.14, 4,216,861.62 and 681,325.26 is: 1,021,987.87
Step by Step Solution
- Step 1: Write the proportion equation
2,811,241.14 : 4,216,861.62 = 681,325.26 : x - Step 2: Convert to fraction form
2,811,241.14/4,216,861.62 = 681,325.26/x - Step 3: Cross multiply
2,811,241.14x = 4,216,861.62 × 681,325.26 - Step 4: Simplify right side
2,811,241.14x = 2,873,054,339,630.52 - Step 5: Solve for x
x = 2,873,054,339,630.52/2,811,241.14 - Step 6: Final answer
x = 1,021,987.87
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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.