Finding the Fourth Proportional to 3,746,331.53, 5,169,927.34 and 2,027,452.05
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Solution
The fourth proportional to 3,746,331.53, 5,169,927.34 and 2,027,452.05 is: 2,797,878.32
Step by Step Solution
- Step 1: Write the proportion equation
3,746,331.53 : 5,169,927.34 = 2,027,452.05 : x - Step 2: Convert to fraction form
3,746,331.53/5,169,927.34 = 2,027,452.05/x - Step 3: Cross multiply
3,746,331.53x = 5,169,927.34 × 2,027,452.05 - Step 4: Simplify right side
3,746,331.53x = 10,481,779,766,125.73 - Step 5: Solve for x
x = 10,481,779,766,125.73/3,746,331.53 - Step 6: Final answer
x = 2,797,878.32
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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.