Finding the Fourth Proportional to 2,408,450.32, 3,323,707.06 and 1,320,657.02
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Solution
The fourth proportional to 2,408,450.32, 3,323,707.06 and 1,320,657.02 is: 1,822,531.70
Step by Step Solution
- Step 1: Write the proportion equation
2,408,450.32 : 3,323,707.06 = 1,320,657.02 : x - Step 2: Convert to fraction form
2,408,450.32/3,323,707.06 = 1,320,657.02/x - Step 3: Cross multiply
2,408,450.32x = 3,323,707.06 × 1,320,657.02 - Step 4: Simplify right side
2,408,450.32x = 4,389,477,061,212.56 - Step 5: Solve for x
x = 4,389,477,061,212.56/2,408,450.32 - Step 6: Final answer
x = 1,822,531.70
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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.