Finding the Fourth Proportional to 5,525,897.94, 7,625,623.41 and 3,078,505.62
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Solution
The fourth proportional to 5,525,897.94, 7,625,623.41 and 3,078,505.62 is: 4,248,273.27
Step by Step Solution
- Step 1: Write the proportion equation
5,525,897.94 : 7,625,623.41 = 3,078,505.62 : x - Step 2: Convert to fraction form
5,525,897.94/7,625,623.41 = 3,078,505.62/x - Step 3: Cross multiply
5,525,897.94x = 7,625,623.41 × 3,078,505.62 - Step 4: Simplify right side
5,525,897.94x = 23,475,524,523,688.57 - Step 5: Solve for x
x = 23,475,524,523,688.57/5,525,897.94 - Step 6: Final answer
x = 4,248,273.27
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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.