Finding the Fourth Proportional to 2,378,287.62, 3,280,664.34 and 1,517,878.08
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Solution
The fourth proportional to 2,378,287.62, 3,280,664.34 and 1,517,878.08 is: 2,093,795.74
Step by Step Solution
- Step 1: Write the proportion equation
2,378,287.62 : 3,280,664.34 = 1,517,878.08 : x - Step 2: Convert to fraction form
2,378,287.62/3,280,664.34 = 1,517,878.08/x - Step 3: Cross multiply
2,378,287.62x = 3,280,664.34 × 1,517,878.08 - Step 4: Simplify right side
2,378,287.62x = 4,979,648,489,523.67 - Step 5: Solve for x
x = 4,979,648,489,523.67/2,378,287.62 - Step 6: Final answer
x = 2,093,795.74
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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.