Finding the Fourth Proportional to 4,114,149.75, 5,677,542.90 and 2,396,450.79
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Solution
The fourth proportional to 4,114,149.75, 5,677,542.90 and 2,396,450.79 is: 3,307,111.55
Step by Step Solution
- Step 1: Write the proportion equation
4,114,149.75 : 5,677,542.90 = 2,396,450.79 : x - Step 2: Convert to fraction form
4,114,149.75/5,677,542.90 = 2,396,450.79/x - Step 3: Cross multiply
4,114,149.75x = 5,677,542.90 × 2,396,450.79 - Step 4: Simplify right side
4,114,149.75x = 13,605,952,167,963.89 - Step 5: Solve for x
x = 13,605,952,167,963.89/4,114,149.75 - Step 6: Final answer
x = 3,307,111.55
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1.5x scale
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.