Finding the Fourth Proportional to 5,535,250.13, 7,638,623.97 and 3,087,859.23
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Solution
The fourth proportional to 5,535,250.13, 7,638,623.97 and 3,087,859.23 is: 4,261,233.90
Step by Step Solution
- Step 1: Write the proportion equation
5,535,250.13 : 7,638,623.97 = 3,087,859.23 : x - Step 2: Convert to fraction form
5,535,250.13/7,638,623.97 = 3,087,859.23/x - Step 3: Cross multiply
5,535,250.13x = 7,638,623.97 × 3,087,859.23 - Step 4: Simplify right side
5,535,250.13x = 23,586,995,501,618.90 - Step 5: Solve for x
x = 23,586,995,501,618.90/5,535,250.13 - Step 6: Final answer
x = 4,261,233.90
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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.