Finding the Fourth Proportional to 5,749,728.99, 7,934,486.94 and 3,171,354.41
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Solution
The fourth proportional to 5,749,728.99, 7,934,486.94 and 3,171,354.41 is: 4,376,392.37
Step by Step Solution
- Step 1: Write the proportion equation
5,749,728.99 : 7,934,486.94 = 3,171,354.41 : x - Step 2: Convert to fraction form
5,749,728.99/7,934,486.94 = 3,171,354.41/x - Step 3: Cross multiply
5,749,728.99x = 7,934,486.94 × 3,171,354.41 - Step 4: Simplify right side
5,749,728.99x = 25,163,070,108,583.97 - Step 5: Solve for x
x = 25,163,070,108,583.97/5,749,728.99 - Step 6: Final answer
x = 4,376,392.37
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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.