Finding the Fourth Proportional to 4,391,213.12, 6,059,743.93 and 2,431,178.54
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Solution
The fourth proportional to 4,391,213.12, 6,059,743.93 and 2,431,178.54 is: 3,354,954.31
Step by Step Solution
- Step 1: Write the proportion equation
4,391,213.12 : 6,059,743.93 = 2,431,178.54 : x - Step 2: Convert to fraction form
4,391,213.12/6,059,743.93 = 2,431,178.54/x - Step 3: Cross multiply
4,391,213.12x = 6,059,743.93 × 2,431,178.54 - Step 4: Simplify right side
4,391,213.12x = 14,732,319,400,511.26 - Step 5: Solve for x
x = 14,732,319,400,511.26/4,391,213.12 - Step 6: Final answer
x = 3,354,954.31
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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.