Finding the Fourth Proportional to 5,192,780.27, 7,782,207.87 and 4,041,417.09
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Solution
The fourth proportional to 5,192,780.27, 7,782,207.87 and 4,041,417.09 is: 6,056,706.87
Step by Step Solution
- Step 1: Write the proportion equation
5,192,780.27 : 7,782,207.87 = 4,041,417.09 : x - Step 2: Convert to fraction form
5,192,780.27/7,782,207.87 = 4,041,417.09/x - Step 3: Cross multiply
5,192,780.27x = 7,782,207.87 × 4,041,417.09 - Step 4: Simplify right side
5,192,780.27x = 31,451,147,883,750.50 - Step 5: Solve for x
x = 31,451,147,883,750.50/5,192,780.27 - Step 6: Final answer
x = 6,056,706.87
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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.