Finding the Fourth Proportional to 5,738,775.98, 7,919,415.16 and 3,160,696.64
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Solution
The fourth proportional to 5,738,775.98, 7,919,415.16 and 3,160,696.64 is: 4,361,708.66
Step by Step Solution
- Step 1: Write the proportion equation
5,738,775.98 : 7,919,415.16 = 3,160,696.64 : x - Step 2: Convert to fraction form
5,738,775.98/7,919,415.16 = 3,160,696.64/x - Step 3: Cross multiply
5,738,775.98x = 7,919,415.16 × 3,160,696.64 - Step 4: Simplify right side
5,738,775.98x = 25,030,868,871,173.58 - Step 5: Solve for x
x = 25,030,868,871,173.58/5,738,775.98 - Step 6: Final answer
x = 4,361,708.66
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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.