Finding the Fourth Proportional to 4,995,786.88, 6,894,352.80 and 3,061,673.84
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Solution
The fourth proportional to 4,995,786.88, 6,894,352.80 and 3,061,673.84 is: 4,225,212.19
Step by Step Solution
- Step 1: Write the proportion equation
4,995,786.88 : 6,894,352.80 = 3,061,673.84 : x - Step 2: Convert to fraction form
4,995,786.88/6,894,352.80 = 3,061,673.84/x - Step 3: Cross multiply
4,995,786.88x = 6,894,352.80 × 3,061,673.84 - Step 4: Simplify right side
4,995,786.88x = 21,108,259,611,490.75 - Step 5: Solve for x
x = 21,108,259,611,490.75/4,995,786.88 - Step 6: Final answer
x = 4,225,212.19
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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.