Finding the Fourth Proportional to 2,780,626.23, 4,169,418.84 and 2,207,928.35
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Solution
The fourth proportional to 2,780,626.23, 4,169,418.84 and 2,207,928.35 is: 3,310,685.18
Step by Step Solution
- Step 1: Write the proportion equation
2,780,626.23 : 4,169,418.84 = 2,207,928.35 : x - Step 2: Convert to fraction form
2,780,626.23/4,169,418.84 = 2,207,928.35/x - Step 3: Cross multiply
2,780,626.23x = 4,169,418.84 × 2,207,928.35 - Step 4: Simplify right side
2,780,626.23x = 9,205,778,059,860.11 - Step 5: Solve for x
x = 9,205,778,059,860.11/2,780,626.23 - Step 6: Final answer
x = 3,310,685.18
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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.