Finding the Fourth Proportional to 1,892,884.68, 2,612,246.76 and 1,077,211.44
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Solution
The fourth proportional to 1,892,884.68, 2,612,246.76 and 1,077,211.44 is: 1,486,589.29
Step by Step Solution
- Step 1: Write the proportion equation
1,892,884.68 : 2,612,246.76 = 1,077,211.44 : x - Step 2: Convert to fraction form
1,892,884.68/2,612,246.76 = 1,077,211.44/x - Step 3: Cross multiply
1,892,884.68x = 2,612,246.76 × 1,077,211.44 - Step 4: Simplify right side
1,892,884.68x = 2,813,942,093,974.93 - Step 5: Solve for x
x = 2,813,942,093,974.93/1,892,884.68 - Step 6: Final answer
x = 1,486,589.29
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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.