Finding the Fourth Proportional to 1,876,420.68, 2,589,450.30 and 1,016,971.80
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Solution
The fourth proportional to 1,876,420.68, 2,589,450.30 and 1,016,971.80 is: 1,403,415.54
Step by Step Solution
- Step 1: Write the proportion equation
1,876,420.68 : 2,589,450.30 = 1,016,971.80 : x - Step 2: Convert to fraction form
1,876,420.68/2,589,450.30 = 1,016,971.80/x - Step 3: Cross multiply
1,876,420.68x = 2,589,450.30 × 1,016,971.80 - Step 4: Simplify right side
1,876,420.68x = 2,633,397,932,601.54 - Step 5: Solve for x
x = 2,633,397,932,601.54/1,876,420.68 - Step 6: Final answer
x = 1,403,415.54
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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.