Finding the Fourth Proportional to 5,920,749.78, 8,170,793.94 and 3,596,851.68
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Solution
The fourth proportional to 5,920,749.78, 8,170,793.94 and 3,596,851.68 is: 4,963,752.06
Step by Step Solution
- Step 1: Write the proportion equation
5,920,749.78 : 8,170,793.94 = 3,596,851.68 : x - Step 2: Convert to fraction form
5,920,749.78/8,170,793.94 = 3,596,851.68/x - Step 3: Cross multiply
5,920,749.78x = 8,170,793.94 × 3,596,851.68 - Step 4: Simplify right side
5,920,749.78x = 29,389,133,910,022.82 - Step 5: Solve for x
x = 29,389,133,910,022.82/5,920,749.78 - Step 6: Final answer
x = 4,963,752.06
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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.