Finding the Fourth Proportional to 5,140,555.88, 7,093,883.94 and 2,848,709.48
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Solution
The fourth proportional to 5,140,555.88, 7,093,883.94 and 2,848,709.48 is: 3,931,172.99
Step by Step Solution
- Step 1: Write the proportion equation
5,140,555.88 : 7,093,883.94 = 2,848,709.48 : x - Step 2: Convert to fraction form
5,140,555.88/7,093,883.94 = 2,848,709.48/x - Step 3: Cross multiply
5,140,555.88x = 7,093,883.94 × 2,848,709.48 - Step 4: Simplify right side
5,140,555.88x = 20,208,414,429,897.75 - Step 5: Solve for x
x = 20,208,414,429,897.75/5,140,555.88 - Step 6: Final answer
x = 3,931,172.99
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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.