Finding the Fourth Proportional to 5,090,611.26, 7,024,862.79 and 2,798,755.26
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Solution
The fourth proportional to 5,090,611.26, 7,024,862.79 and 2,798,755.26 is: 3,862,182.89
Step by Step Solution
- Step 1: Write the proportion equation
5,090,611.26 : 7,024,862.79 = 2,798,755.26 : x - Step 2: Convert to fraction form
5,090,611.26/7,024,862.79 = 2,798,755.26/x - Step 3: Cross multiply
5,090,611.26x = 7,024,862.79 × 2,798,755.26 - Step 4: Simplify right side
5,090,611.26x = 19,660,871,684,290.77 - Step 5: Solve for x
x = 19,660,871,684,290.77/5,090,611.26 - Step 6: Final answer
x = 3,862,182.89
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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.