Finding the Fourth Proportional to 4,492,482.40, 6,736,255.80 and 2,212,991.20
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Solution
The fourth proportional to 4,492,482.40, 6,736,255.80 and 2,212,991.20 is: 3,318,271.16
Step by Step Solution
- Step 1: Write the proportion equation
4,492,482.40 : 6,736,255.80 = 2,212,991.20 : x - Step 2: Convert to fraction form
4,492,482.40/6,736,255.80 = 2,212,991.20/x - Step 3: Cross multiply
4,492,482.40x = 6,736,255.80 × 2,212,991.20 - Step 4: Simplify right side
4,492,482.40x = 14,907,274,806,348.96 - Step 5: Solve for x
x = 14,907,274,806,348.96/4,492,482.40 - Step 6: Final answer
x = 3,318,271.16
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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.