Finding the Fourth Proportional to 6,669,640.53, 9,204,208.43 and 3,916,388.84
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Solution
The fourth proportional to 6,669,640.53, 9,204,208.43 and 3,916,388.84 is: 5,404,677.95
Step by Step Solution
- Step 1: Write the proportion equation
6,669,640.53 : 9,204,208.43 = 3,916,388.84 : x - Step 2: Convert to fraction form
6,669,640.53/9,204,208.43 = 3,916,388.84/x - Step 3: Cross multiply
6,669,640.53x = 9,204,208.43 × 3,916,388.84 - Step 4: Simplify right side
6,669,640.53x = 36,047,259,110,682.94 - Step 5: Solve for x
x = 36,047,259,110,682.94/6,669,640.53 - Step 6: Final answer
x = 5,404,677.95
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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.