Finding the Fourth Proportional to 4,001,271.75, 5,521,755.29 and 2,190,435.75
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Solution
The fourth proportional to 4,001,271.75, 5,521,755.29 and 2,190,435.75 is: 3,022,801.48
Step by Step Solution
- Step 1: Write the proportion equation
4,001,271.75 : 5,521,755.29 = 2,190,435.75 : x - Step 2: Convert to fraction form
4,001,271.75/5,521,755.29 = 2,190,435.75/x - Step 3: Cross multiply
4,001,271.75x = 5,521,755.29 × 2,190,435.75 - Step 4: Simplify right side
4,001,271.75x = 12,095,050,179,015.44 - Step 5: Solve for x
x = 12,095,050,179,015.44/4,001,271.75 - Step 6: Final answer
x = 3,022,801.48
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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.