Finding the Fourth Proportional to 5,090,163.68, 7,024,560 and 2,798,382.08
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Solution
The fourth proportional to 5,090,163.68, 7,024,560 and 2,798,382.08 is: 3,861,841.01
Step by Step Solution
- Step 1: Write the proportion equation
5,090,163.68 : 7,024,560 = 2,798,382.08 : x - Step 2: Convert to fraction form
5,090,163.68/7,024,560 = 2,798,382.08/x - Step 3: Cross multiply
5,090,163.68x = 7,024,560 × 2,798,382.08 - Step 4: Simplify right side
5,090,163.68x = 19,657,402,823,884.80 - Step 5: Solve for x
x = 19,657,402,823,884.80/5,090,163.68 - Step 6: Final answer
x = 3,861,841.01
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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.