Finding the Fourth Proportional to 4,802,864.63, 7,203,764.49 and 1,208,632.55
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Solution
The fourth proportional to 4,802,864.63, 7,203,764.49 and 1,208,632.55 is: 1,812,814.83
Step by Step Solution
- Step 1: Write the proportion equation
4,802,864.63 : 7,203,764.49 = 1,208,632.55 : x - Step 2: Convert to fraction form
4,802,864.63/7,203,764.49 = 1,208,632.55/x - Step 3: Cross multiply
4,802,864.63x = 7,203,764.49 × 1,208,632.55 - Step 4: Simplify right side
4,802,864.63x = 8,706,704,245,148.15 - Step 5: Solve for x
x = 8,706,704,245,148.15/4,802,864.63 - Step 6: Final answer
x = 1,812,814.83
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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.