Finding the Fourth Proportional to 5,396,961.96, 7,446,909.96 and 3,222,384.12
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Solution
The fourth proportional to 5,396,961.96, 7,446,909.96 and 3,222,384.12 is: 4,446,354.19
Step by Step Solution
- Step 1: Write the proportion equation
5,396,961.96 : 7,446,909.96 = 3,222,384.12 : x - Step 2: Convert to fraction form
5,396,961.96/7,446,909.96 = 3,222,384.12/x - Step 3: Cross multiply
5,396,961.96x = 7,446,909.96 × 3,222,384.12 - Step 4: Simplify right side
5,396,961.96x = 23,996,804,398,173.84 - Step 5: Solve for x
x = 23,996,804,398,173.84/5,396,961.96 - Step 6: Final answer
x = 4,446,354.19
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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.