Finding the Fourth Proportional to 3,535,051.70, 5,304,902.62 and 1,938,735.80
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Solution
The fourth proportional to 3,535,051.70, 5,304,902.62 and 1,938,735.80 is: 2,909,378.84
Step by Step Solution
- Step 1: Write the proportion equation
3,535,051.70 : 5,304,902.62 = 1,938,735.80 : x - Step 2: Convert to fraction form
3,535,051.70/5,304,902.62 = 1,938,735.80/x - Step 3: Cross multiply
3,535,051.70x = 5,304,902.62 × 1,938,735.80 - Step 4: Simplify right side
3,535,051.70x = 10,284,804,624,907.80 - Step 5: Solve for x
x = 10,284,804,624,907.80/3,535,051.70 - Step 6: Final answer
x = 2,909,378.84
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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.