Finding the Fourth Proportional to 3,619,072.94, 5,420,338.68 and 1,727,142.98
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Solution
The fourth proportional to 3,619,072.94, 5,420,338.68 and 1,727,142.98 is: 2,586,767.40
Step by Step Solution
- Step 1: Write the proportion equation
3,619,072.94 : 5,420,338.68 = 1,727,142.98 : x - Step 2: Convert to fraction form
3,619,072.94/5,420,338.68 = 1,727,142.98/x - Step 3: Cross multiply
3,619,072.94x = 5,420,338.68 × 1,727,142.98 - Step 4: Simplify right side
3,619,072.94x = 9,361,699,900,384.47 - Step 5: Solve for x
x = 9,361,699,900,384.47/3,619,072.94 - Step 6: Final answer
x = 2,586,767.40
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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.