Finding the Fourth Proportional to 4,907,134.88, 6,771,371.16 and 3,618,668.96
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Solution
The fourth proportional to 4,907,134.88, 6,771,371.16 and 3,618,668.96 is: 4,993,412.90
Step by Step Solution
- Step 1: Write the proportion equation
4,907,134.88 : 6,771,371.16 = 3,618,668.96 : x - Step 2: Convert to fraction form
4,907,134.88/6,771,371.16 = 3,618,668.96/x - Step 3: Cross multiply
4,907,134.88x = 6,771,371.16 × 3,618,668.96 - Step 4: Simplify right side
4,907,134.88x = 24,503,350,633,331.20 - Step 5: Solve for x
x = 24,503,350,633,331.20/4,907,134.88 - Step 6: Final answer
x = 4,993,412.90
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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.