Finding the Fourth Proportional to 2,910,855.38, 4,345,816.19 and 2,224,148.32
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Solution
The fourth proportional to 2,910,855.38, 4,345,816.19 and 2,224,148.32 is: 3,320,583.99
Step by Step Solution
- Step 1: Write the proportion equation
2,910,855.38 : 4,345,816.19 = 2,224,148.32 : x - Step 2: Convert to fraction form
2,910,855.38/4,345,816.19 = 2,224,148.32/x - Step 3: Cross multiply
2,910,855.38x = 4,345,816.19 × 2,224,148.32 - Step 4: Simplify right side
2,910,855.38x = 9,665,739,772,713.13 - Step 5: Solve for x
x = 9,665,739,772,713.13/2,910,855.38 - Step 6: Final answer
x = 3,320,583.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.