Finding the Fourth Proportional to 3,860,554.79, 5,327,571.89 and 2,141,675.36
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Solution
The fourth proportional to 3,860,554.79, 5,327,571.89 and 2,141,675.36 is: 2,955,515.48
Step by Step Solution
- Step 1: Write the proportion equation
3,860,554.79 : 5,327,571.89 = 2,141,675.36 : x - Step 2: Convert to fraction form
3,860,554.79/5,327,571.89 = 2,141,675.36/x - Step 3: Cross multiply
3,860,554.79x = 5,327,571.89 × 2,141,675.36 - Step 4: Simplify right side
3,860,554.79x = 11,409,929,434,733.25 - Step 5: Solve for x
x = 11,409,929,434,733.25/3,860,554.79 - Step 6: Final answer
x = 2,955,515.48
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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.