Finding the Fourth Proportional to 5,429,908.17, 8,132,461.97 and 2,592,013.23
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Solution
The fourth proportional to 5,429,908.17, 8,132,461.97 and 2,592,013.23 is: 3,882,100.46
Step by Step Solution
- Step 1: Write the proportion equation
5,429,908.17 : 8,132,461.97 = 2,592,013.23 : x - Step 2: Convert to fraction form
5,429,908.17/8,132,461.97 = 2,592,013.23/x - Step 3: Cross multiply
5,429,908.17x = 8,132,461.97 × 2,592,013.23 - Step 4: Simplify right side
5,429,908.17x = 21,079,449,005,751.80 - Step 5: Solve for x
x = 21,079,449,005,751.80/5,429,908.17 - Step 6: Final answer
x = 3,882,100.46
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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.