Finding the Fourth Proportional to 5,900,664.80, 8,853,805.20 and 2,114,530.40
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Solution
The fourth proportional to 5,900,664.80, 8,853,805.20 and 2,114,530.40 is: 3,172,801.86
Step by Step Solution
- Step 1: Write the proportion equation
5,900,664.80 : 8,853,805.20 = 2,114,530.40 : x - Step 2: Convert to fraction form
5,900,664.80/8,853,805.20 = 2,114,530.40/x - Step 3: Cross multiply
5,900,664.80x = 8,853,805.20 × 2,114,530.40 - Step 4: Simplify right side
5,900,664.80x = 18,721,640,251,078.08 - Step 5: Solve for x
x = 18,721,640,251,078.08/5,900,664.80 - Step 6: Final answer
x = 3,172,801.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.