Finding the Fourth Proportional to 3,158,982.16, 4,738,469.52 and 1,029,062.80
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Solution
The fourth proportional to 3,158,982.16, 4,738,469.52 and 1,029,062.80 is: 1,543,592.99
Step by Step Solution
- Step 1: Write the proportion equation
3,158,982.16 : 4,738,469.52 = 1,029,062.80 : x - Step 2: Convert to fraction form
3,158,982.16/4,738,469.52 = 1,029,062.80/x - Step 3: Cross multiply
3,158,982.16x = 4,738,469.52 × 1,029,062.80 - Step 4: Simplify right side
3,158,982.16x = 4,876,182,711,965.86 - Step 5: Solve for x
x = 4,876,182,711,965.86/3,158,982.16 - Step 6: Final answer
x = 1,543,592.99
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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.