Finding the Fourth Proportional to 5,412,564.93, 7,469,338.98 and 3,237,107.76
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Solution
The fourth proportional to 5,412,564.93, 7,469,338.98 and 3,237,107.76 is: 4,467,208.34
Step by Step Solution
- Step 1: Write the proportion equation
5,412,564.93 : 7,469,338.98 = 3,237,107.76 : x - Step 2: Convert to fraction form
5,412,564.93/7,469,338.98 = 3,237,107.76/x - Step 3: Cross multiply
5,412,564.93x = 7,469,338.98 × 3,237,107.76 - Step 4: Simplify right side
5,412,564.93x = 24,179,055,174,228.48 - Step 5: Solve for x
x = 24,179,055,174,228.48/5,412,564.93 - Step 6: Final answer
x = 4,467,208.34
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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.