Finding the Fourth Proportional to 2,993,311.75, 4,490,006.51 and 998,767.75
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Solution
The fourth proportional to 2,993,311.75, 4,490,006.51 and 998,767.75 is: 1,498,164.60
Step by Step Solution
- Step 1: Write the proportion equation
2,993,311.75 : 4,490,006.51 = 998,767.75 : x - Step 2: Convert to fraction form
2,993,311.75/4,490,006.51 = 998,767.75/x - Step 3: Cross multiply
2,993,311.75x = 4,490,006.51 × 998,767.75 - Step 4: Simplify right side
2,993,311.75x = 4,484,473,699,478.05 - Step 5: Solve for x
x = 4,484,473,699,478.05/2,993,311.75 - Step 6: Final answer
x = 1,498,164.60
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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.