Finding the Fourth Proportional to 2,021,173.80, 3,030,743.74 and 672,855.49
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Solution
The fourth proportional to 2,021,173.80, 3,030,743.74 and 672,855.49 is: 1,008,944.69
Step by Step Solution
- Step 1: Write the proportion equation
2,021,173.80 : 3,030,743.74 = 672,855.49 : x - Step 2: Convert to fraction form
2,021,173.80/3,030,743.74 = 672,855.49/x - Step 3: Cross multiply
2,021,173.80x = 3,030,743.74 × 672,855.49 - Step 4: Simplify right side
2,021,173.80x = 2,039,252,564,242.13 - Step 5: Solve for x
x = 2,039,252,564,242.13/2,021,173.80 - Step 6: Final answer
x = 1,008,944.69
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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.