Finding the Fourth Proportional to 1,902,745.47, 2,848,519.49 and 1,270,090.11
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Solution
The fourth proportional to 1,902,745.47, 2,848,519.49 and 1,270,090.11 is: 1,901,398.00
Step by Step Solution
- Step 1: Write the proportion equation
1,902,745.47 : 2,848,519.49 = 1,270,090.11 : x - Step 2: Convert to fraction form
1,902,745.47/2,848,519.49 = 1,270,090.11/x - Step 3: Cross multiply
1,902,745.47x = 2,848,519.49 × 1,270,090.11 - Step 4: Simplify right side
1,902,745.47x = 3,617,876,432,391.24 - Step 5: Solve for x
x = 3,617,876,432,391.24/1,902,745.47 - Step 6: Final answer
x = 1,901,398.00
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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.