Finding the Fourth Proportional to 5,934,330.80, 8,189,378.68 and 3,218,076.08
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Solution
The fourth proportional to 5,934,330.80, 8,189,378.68 and 3,218,076.08 is: 4,440,946.17
Step by Step Solution
- Step 1: Write the proportion equation
5,934,330.80 : 8,189,378.68 = 3,218,076.08 : x - Step 2: Convert to fraction form
5,934,330.80/8,189,378.68 = 3,218,076.08/x - Step 3: Cross multiply
5,934,330.80x = 8,189,378.68 × 3,218,076.08 - Step 4: Simplify right side
5,934,330.80x = 26,354,043,640,169.97 - Step 5: Solve for x
x = 26,354,043,640,169.97/5,934,330.80 - Step 6: Final answer
x = 4,440,946.17
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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.