Finding the Fourth Proportional to 2,177,348.48, 3,004,806.12 and 1,197,236.72
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Solution
The fourth proportional to 2,177,348.48, 3,004,806.12 and 1,197,236.72 is: 1,652,222.53
Step by Step Solution
- Step 1: Write the proportion equation
2,177,348.48 : 3,004,806.12 = 1,197,236.72 : x - Step 2: Convert to fraction form
2,177,348.48/3,004,806.12 = 1,197,236.72/x - Step 3: Cross multiply
2,177,348.48x = 3,004,806.12 × 1,197,236.72 - Step 4: Simplify right side
2,177,348.48x = 3,597,464,223,344.73 - Step 5: Solve for x
x = 3,597,464,223,344.73/2,177,348.48 - Step 6: Final answer
x = 1,652,222.53
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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.