Finding the Fourth Proportional to 2,666,842.04, 3,680,251.68 and 1,443,147.44
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Solution
The fourth proportional to 2,666,842.04, 3,680,251.68 and 1,443,147.44 is: 1,991,548.70
Step by Step Solution
- Step 1: Write the proportion equation
2,666,842.04 : 3,680,251.68 = 1,443,147.44 : x - Step 2: Convert to fraction form
2,666,842.04/3,680,251.68 = 1,443,147.44/x - Step 3: Cross multiply
2,666,842.04x = 3,680,251.68 × 1,443,147.44 - Step 4: Simplify right side
2,666,842.04x = 5,311,145,790,547.70 - Step 5: Solve for x
x = 5,311,145,790,547.70/2,666,842.04 - Step 6: Final answer
x = 1,991,548.70
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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.