Finding the Fourth Proportional to 1,900,336.62, 2,622,725.44 and 1,165,160.82
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Solution
The fourth proportional to 1,900,336.62, 2,622,725.44 and 1,165,160.82 is: 1,608,081.90
Step by Step Solution
- Step 1: Write the proportion equation
1,900,336.62 : 2,622,725.44 = 1,165,160.82 : x - Step 2: Convert to fraction form
1,900,336.62/2,622,725.44 = 1,165,160.82/x - Step 3: Cross multiply
1,900,336.62x = 2,622,725.44 × 1,165,160.82 - Step 4: Simplify right side
1,900,336.62x = 3,055,896,924,305.26 - Step 5: Solve for x
x = 3,055,896,924,305.26/1,900,336.62 - Step 6: Final answer
x = 1,608,081.90
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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.