Finding the Fourth Proportional to 2,552,140.62, 3,522,202.25 and 1,906,439.80
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Solution
The fourth proportional to 2,552,140.62, 3,522,202.25 and 1,906,439.80 is: 2,631,072.33
Step by Step Solution
- Step 1: Write the proportion equation
2,552,140.62 : 3,522,202.25 = 1,906,439.80 : x - Step 2: Convert to fraction form
2,552,140.62/3,522,202.25 = 1,906,439.80/x - Step 3: Cross multiply
2,552,140.62x = 3,522,202.25 × 1,906,439.80 - Step 4: Simplify right side
2,552,140.62x = 6,714,866,543,517.35 - Step 5: Solve for x
x = 6,714,866,543,517.35/2,552,140.62 - Step 6: Final answer
x = 2,631,072.33
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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.