Finding the Fourth Proportional to 5,780,721.57, 8,670,748.79 and 1,737,122.60
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Solution
The fourth proportional to 5,780,721.57, 8,670,748.79 and 1,737,122.60 is: 2,605,583.65
Step by Step Solution
- Step 1: Write the proportion equation
5,780,721.57 : 8,670,748.79 = 1,737,122.60 : x - Step 2: Convert to fraction form
5,780,721.57/8,670,748.79 = 1,737,122.60/x - Step 3: Cross multiply
5,780,721.57x = 8,670,748.79 × 1,737,122.60 - Step 4: Simplify right side
5,780,721.57x = 15,062,153,629,992.30 - Step 5: Solve for x
x = 15,062,153,629,992.30/5,780,721.57 - Step 6: Final answer
x = 2,605,583.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.