Finding the Fourth Proportional to 4,523,431.11, 6,775,403.10 and 2,123,679.75
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Solution
The fourth proportional to 4,523,431.11, 6,775,403.10 and 2,123,679.75 is: 3,180,945.17
Step by Step Solution
- Step 1: Write the proportion equation
4,523,431.11 : 6,775,403.10 = 2,123,679.75 : x - Step 2: Convert to fraction form
4,523,431.11/6,775,403.10 = 2,123,679.75/x - Step 3: Cross multiply
4,523,431.11x = 6,775,403.10 × 2,123,679.75 - Step 4: Simplify right side
4,523,431.11x = 14,388,786,361,557.22 - Step 5: Solve for x
x = 14,388,786,361,557.22/4,523,431.11 - Step 6: Final answer
x = 3,180,945.17
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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.