Finding the Fourth Proportional to 5,135,986.50, 7,703,961.93 and 1,541,738.94
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Solution
The fourth proportional to 5,135,986.50, 7,703,961.93 and 1,541,738.94 is: 2,312,603.06
Step by Step Solution
- Step 1: Write the proportion equation
5,135,986.50 : 7,703,961.93 = 1,541,738.94 : x - Step 2: Convert to fraction form
5,135,986.50/7,703,961.93 = 1,541,738.94/x - Step 3: Cross multiply
5,135,986.50x = 7,703,961.93 × 1,541,738.94 - Step 4: Simplify right side
5,135,986.50x = 11,877,498,099,758.55 - Step 5: Solve for x
x = 11,877,498,099,758.55/5,135,986.50 - Step 6: Final answer
x = 2,312,603.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.