Finding the Fourth Proportional to 1,765,675.09, 2,436,463.06 and 991,128.43
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Solution
The fourth proportional to 1,765,675.09, 2,436,463.06 and 991,128.43 is: 1,367,662.61
Step by Step Solution
- Step 1: Write the proportion equation
1,765,675.09 : 2,436,463.06 = 991,128.43 : x - Step 2: Convert to fraction form
1,765,675.09/2,436,463.06 = 991,128.43/x - Step 3: Cross multiply
1,765,675.09x = 2,436,463.06 × 991,128.43 - Step 4: Simplify right side
1,765,675.09x = 2,414,847,807,410.80 - Step 5: Solve for x
x = 2,414,847,807,410.80/1,765,675.09 - Step 6: Final answer
x = 1,367,662.61
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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.