Finding the Fourth Proportional to 1,984,010.26, 2,737,953.60 and 1,078,611.70
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Solution
The fourth proportional to 1,984,010.26, 2,737,953.60 and 1,078,611.70 is: 1,488,494.72
Step by Step Solution
- Step 1: Write the proportion equation
1,984,010.26 : 2,737,953.60 = 1,078,611.70 : x - Step 2: Convert to fraction form
1,984,010.26/2,737,953.60 = 1,078,611.70/x - Step 3: Cross multiply
1,984,010.26x = 2,737,953.60 × 1,078,611.70 - Step 4: Simplify right side
1,984,010.26x = 2,953,188,787,017.12 - Step 5: Solve for x
x = 2,953,188,787,017.12/1,984,010.26 - Step 6: Final answer
x = 1,488,494.72
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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.