Finding the Fourth Proportional to 5,410,330.87, 8,115,496.32 and 1,366,830.31
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Solution
The fourth proportional to 5,410,330.87, 8,115,496.32 and 1,366,830.31 is: 2,050,245.47
Step by Step Solution
- Step 1: Write the proportion equation
5,410,330.87 : 8,115,496.32 = 1,366,830.31 : x - Step 2: Convert to fraction form
5,410,330.87/8,115,496.32 = 1,366,830.31/x - Step 3: Cross multiply
5,410,330.87x = 8,115,496.32 × 1,366,830.31 - Step 4: Simplify right side
5,410,330.87x = 11,092,506,350,869.46 - Step 5: Solve for x
x = 11,092,506,350,869.46/5,410,330.87 - Step 6: Final answer
x = 2,050,245.47
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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.