Finding the Fourth Proportional to 1,993,713.80, 2,990,279.10 and 573,621.80
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Solution
The fourth proportional to 1,993,713.80, 2,990,279.10 and 573,621.80 is: 860,348.80
Step by Step Solution
- Step 1: Write the proportion equation
1,993,713.80 : 2,990,279.10 = 573,621.80 : x - Step 2: Convert to fraction form
1,993,713.80/2,990,279.10 = 573,621.80/x - Step 3: Cross multiply
1,993,713.80x = 2,990,279.10 × 573,621.80 - Step 4: Simplify right side
1,993,713.80x = 1,715,289,279,844.38 - Step 5: Solve for x
x = 1,715,289,279,844.38/1,993,713.80 - Step 6: Final answer
x = 860,348.80
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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.