Finding the Fourth Proportional to 3,664,380.49, 5,497,415.17 and 1,268,225.15
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Solution
The fourth proportional to 3,664,380.49, 5,497,415.17 and 1,268,225.15 is: 1,902,629.97
Step by Step Solution
- Step 1: Write the proportion equation
3,664,380.49 : 5,497,415.17 = 1,268,225.15 : x - Step 2: Convert to fraction form
3,664,380.49/5,497,415.17 = 1,268,225.15/x - Step 3: Cross multiply
3,664,380.49x = 5,497,415.17 × 1,268,225.15 - Step 4: Simplify right side
3,664,380.49x = 6,971,960,144,757.32 - Step 5: Solve for x
x = 6,971,960,144,757.32/3,664,380.49 - Step 6: Final answer
x = 1,902,629.97
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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.