Finding the Fourth Proportional to 3,998,129.04, 5,965,791.12 and 3,754,108.32
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Solution
The fourth proportional to 3,998,129.04, 5,965,791.12 and 3,754,108.32 is: 5,601,676.65
Step by Step Solution
- Step 1: Write the proportion equation
3,998,129.04 : 5,965,791.12 = 3,754,108.32 : x - Step 2: Convert to fraction form
3,998,129.04/5,965,791.12 = 3,754,108.32/x - Step 3: Cross multiply
3,998,129.04x = 5,965,791.12 × 3,754,108.32 - Step 4: Simplify right side
3,998,129.04x = 22,396,226,078,974.12 - Step 5: Solve for x
x = 22,396,226,078,974.12/3,998,129.04 - Step 6: Final answer
x = 5,601,676.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.