Finding the Fourth Proportional to 1,993,644.80, 2,990,175.60 and 573,552.80
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Solution
The fourth proportional to 1,993,644.80, 2,990,175.60 and 573,552.80 is: 860,245.31
Step by Step Solution
- Step 1: Write the proportion equation
1,993,644.80 : 2,990,175.60 = 573,552.80 : x - Step 2: Convert to fraction form
1,993,644.80/2,990,175.60 = 573,552.80/x - Step 3: Cross multiply
1,993,644.80x = 2,990,175.60 × 573,552.80 - Step 4: Simplify right side
1,993,644.80x = 1,715,023,587,871.68 - Step 5: Solve for x
x = 1,715,023,587,871.68/1,993,644.80 - Step 6: Final answer
x = 860,245.31
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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.