Finding the Fourth Proportional to 2,545,123.68, 3,511,100.32 and 2,255,029.08
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Solution
The fourth proportional to 2,545,123.68, 3,511,100.32 and 2,255,029.08 is: 3,110,903.17
Step by Step Solution
- Step 1: Write the proportion equation
2,545,123.68 : 3,511,100.32 = 2,255,029.08 : x - Step 2: Convert to fraction form
2,545,123.68/3,511,100.32 = 2,255,029.08/x - Step 3: Cross multiply
2,545,123.68x = 3,511,100.32 × 2,255,029.08 - Step 4: Simplify right side
2,545,123.68x = 7,917,633,324,397.31 - Step 5: Solve for x
x = 7,917,633,324,397.31/2,545,123.68 - Step 6: Final answer
x = 3,110,903.17
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1.5x scale
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.