Finding the Fourth Proportional to 5,090,171.68, 7,024,571.04 and 2,798,390.08
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Solution
The fourth proportional to 5,090,171.68, 7,024,571.04 and 2,798,390.08 is: 3,861,852.05
Step by Step Solution
- Step 1: Write the proportion equation
5,090,171.68 : 7,024,571.04 = 2,798,390.08 : x - Step 2: Convert to fraction form
5,090,171.68/7,024,571.04 = 2,798,390.08/x - Step 3: Cross multiply
5,090,171.68x = 7,024,571.04 × 2,798,390.08 - Step 4: Simplify right side
5,090,171.68x = 19,657,489,914,591.29 - Step 5: Solve for x
x = 19,657,489,914,591.29/5,090,171.68 - Step 6: Final answer
x = 3,861,852.05
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1.5x scale
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.