Finding the Fourth Proportional to 5,912,137.08, 8,868,205.62 and 2,123,553.24
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Solution
The fourth proportional to 5,912,137.08, 8,868,205.62 and 2,123,553.24 is: 3,185,329.86
Step by Step Solution
- Step 1: Write the proportion equation
5,912,137.08 : 8,868,205.62 = 2,123,553.24 : x - Step 2: Convert to fraction form
5,912,137.08/8,868,205.62 = 2,123,553.24/x - Step 3: Cross multiply
5,912,137.08x = 8,868,205.62 × 2,123,553.24 - Step 4: Simplify right side
5,912,137.08x = 18,832,106,777,337.21 - Step 5: Solve for x
x = 18,832,106,777,337.21/5,912,137.08 - Step 6: Final answer
x = 3,185,329.86
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Double scale
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Similar ratio
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1.5x scale
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.