Finding the Fourth Proportional to 5,535,251.26, 7,638,625.52 and 3,087,860.35
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Solution
The fourth proportional to 5,535,251.26, 7,638,625.52 and 3,087,860.35 is: 4,261,235.45
Step by Step Solution
- Step 1: Write the proportion equation
5,535,251.26 : 7,638,625.52 = 3,087,860.35 : x - Step 2: Convert to fraction form
5,535,251.26/7,638,625.52 = 3,087,860.35/x - Step 3: Cross multiply
5,535,251.26x = 7,638,625.52 × 3,087,860.35 - Step 4: Simplify right side
5,535,251.26x = 23,587,008,871,706.13 - Step 5: Solve for x
x = 23,587,008,871,706.13/5,535,251.26 - Step 6: Final answer
x = 4,261,235.45
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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.