Finding the Fourth Proportional to 3,213,675.62, 4,820,439.91 and 817,523.08
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Solution
The fourth proportional to 3,213,675.62, 4,820,439.91 and 817,523.08 is: 1,226,265.92
Step by Step Solution
- Step 1: Write the proportion equation
3,213,675.62 : 4,820,439.91 = 817,523.08 : x - Step 2: Convert to fraction form
3,213,675.62/4,820,439.91 = 817,523.08/x - Step 3: Cross multiply
3,213,675.62x = 4,820,439.91 × 817,523.08 - Step 4: Simplify right side
3,213,675.62x = 3,940,820,882,178.12 - Step 5: Solve for x
x = 3,940,820,882,178.12/3,213,675.62 - Step 6: Final answer
x = 1,226,265.92
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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.