Finding the Fourth Proportional to 3,018,175.80, 4,528,065.60 and 1,311,586.80
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Solution
The fourth proportional to 3,018,175.80, 4,528,065.60 and 1,311,586.80 is: 1,967,728.68
Step by Step Solution
- Step 1: Write the proportion equation
3,018,175.80 : 4,528,065.60 = 1,311,586.80 : x - Step 2: Convert to fraction form
3,018,175.80/4,528,065.60 = 1,311,586.80/x - Step 3: Cross multiply
3,018,175.80x = 4,528,065.60 × 1,311,586.80 - Step 4: Simplify right side
3,018,175.80x = 5,938,951,070,494.08 - Step 5: Solve for x
x = 5,938,951,070,494.08/3,018,175.80 - Step 6: Final answer
x = 1,967,728.68
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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.