Finding the Fourth Proportional to 4,718,928.56, 7,043,942.84 and 4,049,312.90
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Solution
The fourth proportional to 4,718,928.56, 7,043,942.84 and 4,049,312.90 is: 6,044,407.80
Step by Step Solution
- Step 1: Write the proportion equation
4,718,928.56 : 7,043,942.84 = 4,049,312.90 : x - Step 2: Convert to fraction form
4,718,928.56/7,043,942.84 = 4,049,312.90/x - Step 3: Cross multiply
4,718,928.56x = 7,043,942.84 × 4,049,312.90 - Step 4: Simplify right side
4,718,928.56x = 28,523,128,608,874.63 - Step 5: Solve for x
x = 28,523,128,608,874.63/4,718,928.56 - Step 6: Final answer
x = 6,044,407.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.