Finding the Fourth Proportional to 5,356,351.94, 7,394,027.28 and 3,616,378.38
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Solution
The fourth proportional to 5,356,351.94, 7,394,027.28 and 3,616,378.38 is: 4,992,129.10
Step by Step Solution
- Step 1: Write the proportion equation
5,356,351.94 : 7,394,027.28 = 3,616,378.38 : x - Step 2: Convert to fraction form
5,356,351.94/7,394,027.28 = 3,616,378.38/x - Step 3: Cross multiply
5,356,351.94x = 7,394,027.28 × 3,616,378.38 - Step 4: Simplify right side
5,356,351.94x = 26,739,600,396,522.21 - Step 5: Solve for x
x = 26,739,600,396,522.21/5,356,351.94 - Step 6: Final answer
x = 4,992,129.10
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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.