Finding the Fourth Proportional to 3,432,452.53, 5,149,511.21 and 1,036,154.02
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Solution
The fourth proportional to 3,432,452.53, 5,149,511.21 and 1,036,154.02 is: 1,554,482.31
Step by Step Solution
- Step 1: Write the proportion equation
3,432,452.53 : 5,149,511.21 = 1,036,154.02 : x - Step 2: Convert to fraction form
3,432,452.53/5,149,511.21 = 1,036,154.02/x - Step 3: Cross multiply
3,432,452.53x = 5,149,511.21 × 1,036,154.02 - Step 4: Simplify right side
3,432,452.53x = 5,335,686,741,276.56 - Step 5: Solve for x
x = 5,335,686,741,276.56/3,432,452.53 - Step 6: Final answer
x = 1,554,482.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.