Finding the Fourth Proportional to 2,125,071.14, 2,932,512.63 and 1,158,180.62
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Solution
The fourth proportional to 2,125,071.14, 2,932,512.63 and 1,158,180.62 is: 1,598,242.63
Step by Step Solution
- Step 1: Write the proportion equation
2,125,071.14 : 2,932,512.63 = 1,158,180.62 : x - Step 2: Convert to fraction form
2,125,071.14/2,932,512.63 = 1,158,180.62/x - Step 3: Cross multiply
2,125,071.14x = 2,932,512.63 × 1,158,180.62 - Step 4: Simplify right side
2,125,071.14x = 3,396,379,295,971.23 - Step 5: Solve for x
x = 3,396,379,295,971.23/2,125,071.14 - Step 6: Final answer
x = 1,598,242.63
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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.