Finding the Fourth Proportional to 5,239,108.18, 7,226,072.05 and 4,626,179.56
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Solution
The fourth proportional to 5,239,108.18, 7,226,072.05 and 4,626,179.56 is: 6,380,686.49
Step by Step Solution
- Step 1: Write the proportion equation
5,239,108.18 : 7,226,072.05 = 4,626,179.56 : x - Step 2: Convert to fraction form
5,239,108.18/7,226,072.05 = 4,626,179.56/x - Step 3: Cross multiply
5,239,108.18x = 7,226,072.05 × 4,626,179.56 - Step 4: Simplify right side
5,239,108.18x = 33,429,106,757,536.04 - Step 5: Solve for x
x = 33,429,106,757,536.04/5,239,108.18 - Step 6: Final answer
x = 6,380,686.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.