Finding the Fourth Proportional to 5,414,828.82, 7,471,656.45 and 3,351,919.38
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Solution
The fourth proportional to 5,414,828.82, 7,471,656.45 and 3,351,919.38 is: 4,625,148.99
Step by Step Solution
- Step 1: Write the proportion equation
5,414,828.82 : 7,471,656.45 = 3,351,919.38 : x - Step 2: Convert to fraction form
5,414,828.82/7,471,656.45 = 3,351,919.38/x - Step 3: Cross multiply
5,414,828.82x = 7,471,656.45 × 3,351,919.38 - Step 4: Simplify right side
5,414,828.82x = 25,044,390,055,457 - Step 5: Solve for x
x = 25,044,390,055,457/5,414,828.82 - Step 6: Final answer
x = 4,625,148.99
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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.