Finding the Fourth Proportional to 4,954,082.87, 6,836,658.57 and 2,778,742.28
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Solution
The fourth proportional to 4,954,082.87, 6,836,658.57 and 2,778,742.28 is: 3,834,677.92
Step by Step Solution
- Step 1: Write the proportion equation
4,954,082.87 : 6,836,658.57 = 2,778,742.28 : x - Step 2: Convert to fraction form
4,954,082.87/6,836,658.57 = 2,778,742.28/x - Step 3: Cross multiply
4,954,082.87x = 6,836,658.57 × 2,778,742.28 - Step 4: Simplify right side
4,954,082.87x = 18,997,312,188,200.05 - Step 5: Solve for x
x = 18,997,312,188,200.05/4,954,082.87 - Step 6: Final answer
x = 3,834,677.92
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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.