Finding the Fourth Proportional to 3,858,939.34, 5,786,937.65 and 1,299,467.09
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Solution
The fourth proportional to 3,858,939.34, 5,786,937.65 and 1,299,467.09 is: 1,948,705.17
Step by Step Solution
- Step 1: Write the proportion equation
3,858,939.34 : 5,786,937.65 = 1,299,467.09 : x - Step 2: Convert to fraction form
3,858,939.34/5,786,937.65 = 1,299,467.09/x - Step 3: Cross multiply
3,858,939.34x = 5,786,937.65 × 1,299,467.09 - Step 4: Simplify right side
3,858,939.34x = 7,519,935,036,026.95 - Step 5: Solve for x
x = 7,519,935,036,026.95/3,858,939.34 - Step 6: Final answer
x = 1,948,705.17
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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.