Finding the Fourth Proportional to 2,876,706.99, 3,969,847.49 and 1,587,538.15
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Solution
The fourth proportional to 2,876,706.99, 3,969,847.49 and 1,587,538.15 is: 2,190,798.15
Step by Step Solution
- Step 1: Write the proportion equation
2,876,706.99 : 3,969,847.49 = 1,587,538.15 : x - Step 2: Convert to fraction form
2,876,706.99/3,969,847.49 = 1,587,538.15/x - Step 3: Cross multiply
2,876,706.99x = 3,969,847.49 × 1,587,538.15 - Step 4: Simplify right side
2,876,706.99x = 6,302,284,332,119.05 - Step 5: Solve for x
x = 6,302,284,332,119.05/2,876,706.99 - Step 6: Final answer
x = 2,190,798.15
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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.