Finding the Fourth Proportional to 5,643,035.99, 7,787,869.94 and 3,196,082.33
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Solution
The fourth proportional to 5,643,035.99, 7,787,869.94 and 3,196,082.33 is: 4,410,865.63
Step by Step Solution
- Step 1: Write the proportion equation
5,643,035.99 : 7,787,869.94 = 3,196,082.33 : x - Step 2: Convert to fraction form
5,643,035.99/7,787,869.94 = 3,196,082.33/x - Step 3: Cross multiply
5,643,035.99x = 7,787,869.94 × 3,196,082.33 - Step 4: Simplify right side
5,643,035.99x = 24,890,673,503,572.16 - Step 5: Solve for x
x = 24,890,673,503,572.16/5,643,035.99 - Step 6: Final answer
x = 4,410,865.63
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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.