Finding the Fourth Proportional to 5,112,031.80, 7,661,535.30 and 2,717,023.80
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Solution
The fourth proportional to 5,112,031.80, 7,661,535.30 and 2,717,023.80 is: 4,072,074.39
Step by Step Solution
- Step 1: Write the proportion equation
5,112,031.80 : 7,661,535.30 = 2,717,023.80 : x - Step 2: Convert to fraction form
5,112,031.80/7,661,535.30 = 2,717,023.80/x - Step 3: Cross multiply
5,112,031.80x = 7,661,535.30 × 2,717,023.80 - Step 4: Simplify right side
5,112,031.80x = 20,816,573,754,640.14 - Step 5: Solve for x
x = 20,816,573,754,640.14/5,112,031.80 - Step 6: Final answer
x = 4,072,074.39
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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.