Finding the Fourth Proportional to 5,210,269.99, 7,187,527.37 and 3,555,175.73
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Solution
The fourth proportional to 5,210,269.99, 7,187,527.37 and 3,555,175.73 is: 4,904,337.57
Step by Step Solution
- Step 1: Write the proportion equation
5,210,269.99 : 7,187,527.37 = 3,555,175.73 : x - Step 2: Convert to fraction form
5,210,269.99/7,187,527.37 = 3,555,175.73/x - Step 3: Cross multiply
5,210,269.99x = 7,187,527.37 × 3,555,175.73 - Step 4: Simplify right side
5,210,269.99x = 25,552,922,837,485.03 - Step 5: Solve for x
x = 25,552,922,837,485.03/5,210,269.99 - Step 6: Final answer
x = 4,904,337.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.