Finding the Fourth Proportional to 5,305,369.77, 7,958,044.71 and 1,662,378.53
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Solution
The fourth proportional to 5,305,369.77, 7,958,044.71 and 1,662,378.53 is: 2,493,564.67
Step by Step Solution
- Step 1: Write the proportion equation
5,305,369.77 : 7,958,044.71 = 1,662,378.53 : x - Step 2: Convert to fraction form
5,305,369.77/7,958,044.71 = 1,662,378.53/x - Step 3: Cross multiply
5,305,369.77x = 7,958,044.71 × 1,662,378.53 - Step 4: Simplify right side
5,305,369.77x = 13,229,282,626,893.85 - Step 5: Solve for x
x = 13,229,282,626,893.85/5,305,369.77 - Step 6: Final answer
x = 2,493,564.67
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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.