Finding the Fourth Proportional to 5,554,731.39, 8,332,036.93 and 4,215,120.99
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Solution
The fourth proportional to 5,554,731.39, 8,332,036.93 and 4,215,120.99 is: 6,322,635.84
Step by Step Solution
- Step 1: Write the proportion equation
5,554,731.39 : 8,332,036.93 = 4,215,120.99 : x - Step 2: Convert to fraction form
5,554,731.39/8,332,036.93 = 4,215,120.99/x - Step 3: Cross multiply
5,554,731.39x = 8,332,036.93 × 4,215,120.99 - Step 4: Simplify right side
5,554,731.39x = 35,120,543,753,098.16 - Step 5: Solve for x
x = 35,120,543,753,098.16/5,554,731.39 - Step 6: Final answer
x = 6,322,635.84
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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.