Finding the Fourth Proportional to 5,036,381.20, 7,556,042.82 and 1,624,592.08
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Solution
The fourth proportional to 5,036,381.20, 7,556,042.82 and 1,624,592.08 is: 2,437,362.63
Step by Step Solution
- Step 1: Write the proportion equation
5,036,381.20 : 7,556,042.82 = 1,624,592.08 : x - Step 2: Convert to fraction form
5,036,381.20/7,556,042.82 = 1,624,592.08/x - Step 3: Cross multiply
5,036,381.20x = 7,556,042.82 × 1,624,592.08 - Step 4: Simplify right side
5,036,381.20x = 12,275,487,321,512.87 - Step 5: Solve for x
x = 12,275,487,321,512.87/5,036,381.20 - Step 6: Final answer
x = 2,437,362.63
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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.