Finding the Fourth Proportional to 1,351,534.63, 1,855,182.84 and 1,195,146.31
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Solution
The fourth proportional to 1,351,534.63, 1,855,182.84 and 1,195,146.31 is: 1,640,516.55
Step by Step Solution
- Step 1: Write the proportion equation
1,351,534.63 : 1,855,182.84 = 1,195,146.31 : x - Step 2: Convert to fraction form
1,351,534.63/1,855,182.84 = 1,195,146.31/x - Step 3: Cross multiply
1,351,534.63x = 1,855,182.84 × 1,195,146.31 - Step 4: Simplify right side
1,351,534.63x = 2,217,214,925,601.32 - Step 5: Solve for x
x = 2,217,214,925,601.32/1,351,534.63 - Step 6: Final answer
x = 1,640,516.55
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.