Finding the Fourth Proportional to 3,860,552.04, 5,327,568.09 and 2,141,672.58
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Solution
The fourth proportional to 3,860,552.04, 5,327,568.09 and 2,141,672.58 is: 2,955,511.64
Step by Step Solution
- Step 1: Write the proportion equation
3,860,552.04 : 5,327,568.09 = 2,141,672.58 : x - Step 2: Convert to fraction form
3,860,552.04/5,327,568.09 = 2,141,672.58/x - Step 3: Cross multiply
3,860,552.04x = 5,327,568.09 × 2,141,672.58 - Step 4: Simplify right side
3,860,552.04x = 11,409,906,496,435.97 - Step 5: Solve for x
x = 11,409,906,496,435.97/3,860,552.04 - Step 6: Final answer
x = 2,955,511.64
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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.