Finding the Fourth Proportional to 3,586,768.48, 4,949,773.68 and 1,977,194.08
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Solution
The fourth proportional to 3,586,768.48, 4,949,773.68 and 1,977,194.08 is: 2,728,546.12
Step by Step Solution
- Step 1: Write the proportion equation
3,586,768.48 : 4,949,773.68 = 1,977,194.08 : x - Step 2: Convert to fraction form
3,586,768.48/4,949,773.68 = 1,977,194.08/x - Step 3: Cross multiply
3,586,768.48x = 4,949,773.68 × 1,977,194.08 - Step 4: Simplify right side
3,586,768.48x = 9,786,663,217,435.82 - Step 5: Solve for x
x = 9,786,663,217,435.82/3,586,768.48 - Step 6: Final answer
x = 2,728,546.12
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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.