Finding the Fourth Proportional to 5,145,318.11, 7,716,397.05 and 3,558,080.99
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Solution
The fourth proportional to 5,145,318.11, 7,716,397.05 and 3,558,080.99 is: 5,336,028.80
Step by Step Solution
- Step 1: Write the proportion equation
5,145,318.11 : 7,716,397.05 = 3,558,080.99 : x - Step 2: Convert to fraction form
5,145,318.11/7,716,397.05 = 3,558,080.99/x - Step 3: Cross multiply
5,145,318.11x = 7,716,397.05 × 3,558,080.99 - Step 4: Simplify right side
5,145,318.11x = 27,455,565,616,315.09 - Step 5: Solve for x
x = 27,455,565,616,315.09/5,145,318.11 - Step 6: Final answer
x = 5,336,028.80
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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.