Finding the Fourth Proportional to 1,844,652.75, 2,545,620.80 and 1,039,836.75
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Solution
The fourth proportional to 1,844,652.75, 2,545,620.80 and 1,039,836.75 is: 1,434,974.72
Step by Step Solution
- Step 1: Write the proportion equation
1,844,652.75 : 2,545,620.80 = 1,039,836.75 : x - Step 2: Convert to fraction form
1,844,652.75/2,545,620.80 = 1,039,836.75/x - Step 3: Cross multiply
1,844,652.75x = 2,545,620.80 × 1,039,836.75 - Step 4: Simplify right side
1,844,652.75x = 2,647,030,059,404.40 - Step 5: Solve for x
x = 2,647,030,059,404.40/1,844,652.75 - Step 6: Final answer
x = 1,434,974.72
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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.