Finding the Fourth Proportional to 5,327,101.80, 7,981,467.30 and 2,481,377.40
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Solution
The fourth proportional to 5,327,101.80, 7,981,467.30 and 2,481,377.40 is: 3,717,787.52
Step by Step Solution
- Step 1: Write the proportion equation
5,327,101.80 : 7,981,467.30 = 2,481,377.40 : x - Step 2: Convert to fraction form
5,327,101.80/7,981,467.30 = 2,481,377.40/x - Step 3: Cross multiply
5,327,101.80x = 7,981,467.30 × 2,481,377.40 - Step 4: Simplify right side
5,327,101.80x = 19,805,032,577,059.02 - Step 5: Solve for x
x = 19,805,032,577,059.02/5,327,101.80 - Step 6: Final answer
x = 3,717,787.52
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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.