Finding the Fourth Proportional to 3,664,381.49, 5,497,416.67 and 1,268,226.15
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Solution
The fourth proportional to 3,664,381.49, 5,497,416.67 and 1,268,226.15 is: 1,902,631.48
Step by Step Solution
- Step 1: Write the proportion equation
3,664,381.49 : 5,497,416.67 = 1,268,226.15 : x - Step 2: Convert to fraction form
3,664,381.49/5,497,416.67 = 1,268,226.15/x - Step 3: Cross multiply
3,664,381.49x = 5,497,416.67 × 1,268,226.15 - Step 4: Simplify right side
3,664,381.49x = 6,971,967,578,339.92 - Step 5: Solve for x
x = 6,971,967,578,339.92/3,664,381.49 - Step 6: Final answer
x = 1,902,631.48
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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.