Finding the Fourth Proportional to 5,125,362.16, 7,073,147.40 and 2,833,670.48
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Solution
The fourth proportional to 5,125,362.16, 7,073,147.40 and 2,833,670.48 is: 3,910,546.88
Step by Step Solution
- Step 1: Write the proportion equation
5,125,362.16 : 7,073,147.40 = 2,833,670.48 : x - Step 2: Convert to fraction form
5,125,362.16/7,073,147.40 = 2,833,670.48/x - Step 3: Cross multiply
5,125,362.16x = 7,073,147.40 × 2,833,670.48 - Step 4: Simplify right side
5,125,362.16x = 20,042,968,988,068.75 - Step 5: Solve for x
x = 20,042,968,988,068.75/5,125,362.16 - Step 6: Final answer
x = 3,910,546.88
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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.