Finding the Fourth Proportional to 1,987,817.04, 2,743,127.19 and 1,104,763.14
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Solution
The fourth proportional to 1,987,817.04, 2,743,127.19 and 1,104,763.14 is: 1,524,539.61
Step by Step Solution
- Step 1: Write the proportion equation
1,987,817.04 : 2,743,127.19 = 1,104,763.14 : x - Step 2: Convert to fraction form
1,987,817.04/2,743,127.19 = 1,104,763.14/x - Step 3: Cross multiply
1,987,817.04x = 2,743,127.19 × 1,104,763.14 - Step 4: Simplify right side
1,987,817.04x = 3,030,505,807,843.78 - Step 5: Solve for x
x = 3,030,505,807,843.78/1,987,817.04 - Step 6: Final answer
x = 1,524,539.61
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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.