Finding the Fourth Proportional to 7,248,082.80, 10,880,418.60 and 4,257,951.60
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Solution
The fourth proportional to 7,248,082.80, 10,880,418.60 and 4,257,951.60 is: 6,391,800.02
Step by Step Solution
- Step 1: Write the proportion equation
7,248,082.80 : 10,880,418.60 = 4,257,951.60 : x - Step 2: Convert to fraction form
7,248,082.80/10,880,418.60 = 4,257,951.60/x - Step 3: Cross multiply
7,248,082.80x = 10,880,418.60 × 4,257,951.60 - Step 4: Simplify right side
7,248,082.80x = 46,328,295,786,539.76 - Step 5: Solve for x
x = 46,328,295,786,539.76/7,248,082.80 - Step 6: Final answer
x = 6,391,800.02
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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.