Finding the Fourth Proportional to 2,916,530.40, 4,374,795.60 and 2,007,175.80
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Solution
The fourth proportional to 2,916,530.40, 4,374,795.60 and 2,007,175.80 is: 3,010,763.70
Step by Step Solution
- Step 1: Write the proportion equation
2,916,530.40 : 4,374,795.60 = 2,007,175.80 : x - Step 2: Convert to fraction form
2,916,530.40/4,374,795.60 = 2,007,175.80/x - Step 3: Cross multiply
2,916,530.40x = 4,374,795.60 × 2,007,175.80 - Step 4: Simplify right side
2,916,530.40x = 8,780,983,858,266.48 - Step 5: Solve for x
x = 8,780,983,858,266.48/2,916,530.40 - Step 6: Final answer
x = 3,010,763.70
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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.