Finding the Fourth Proportional to 3,920,295.08, 5,408,463.48 and 2,265,348.44
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Solution
The fourth proportional to 3,920,295.08, 5,408,463.48 and 2,265,348.44 is: 3,125,288.80
Step by Step Solution
- Step 1: Write the proportion equation
3,920,295.08 : 5,408,463.48 = 2,265,348.44 : x - Step 2: Convert to fraction form
3,920,295.08/5,408,463.48 = 2,265,348.44/x - Step 3: Cross multiply
3,920,295.08x = 5,408,463.48 × 2,265,348.44 - Step 4: Simplify right side
3,920,295.08x = 12,252,054,307,214.97 - Step 5: Solve for x
x = 12,252,054,307,214.97/3,920,295.08 - Step 6: Final answer
x = 3,125,288.80
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1.5x scale
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.