Finding the Fourth Proportional to 5,329,021.82, 7,353,603.09 and 3,153,183.68
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Solution
The fourth proportional to 5,329,021.82, 7,353,603.09 and 3,153,183.68 is: 4,351,128.98
Step by Step Solution
- Step 1: Write the proportion equation
5,329,021.82 : 7,353,603.09 = 3,153,183.68 : x - Step 2: Convert to fraction form
5,329,021.82/7,353,603.09 = 3,153,183.68/x - Step 3: Cross multiply
5,329,021.82x = 7,353,603.09 × 3,153,183.68 - Step 4: Simplify right side
5,329,021.82x = 23,187,261,270,969.58 - Step 5: Solve for x
x = 23,187,261,270,969.58/5,329,021.82 - Step 6: Final answer
x = 4,351,128.98
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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.