Finding the Fourth Proportional to 3,473,117.20, 5,209,675.80 and 3,053,213.20
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Solution
The fourth proportional to 3,473,117.20, 5,209,675.80 and 3,053,213.20 is: 4,579,819.80
Step by Step Solution
- Step 1: Write the proportion equation
3,473,117.20 : 5,209,675.80 = 3,053,213.20 : x - Step 2: Convert to fraction form
3,473,117.20/5,209,675.80 = 3,053,213.20/x - Step 3: Cross multiply
3,473,117.20x = 5,209,675.80 × 3,053,213.20 - Step 4: Simplify right side
3,473,117.20x = 15,906,250,920,280.56 - Step 5: Solve for x
x = 15,906,250,920,280.56/3,473,117.20 - Step 6: Final answer
x = 4,579,819.80
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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.