Finding the Fourth Proportional to 2,380,348.88, 3,283,438.92 and 1,412,841.68
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Solution
The fourth proportional to 2,380,348.88, 3,283,438.92 and 1,412,841.68 is: 1,948,865.31
Step by Step Solution
- Step 1: Write the proportion equation
2,380,348.88 : 3,283,438.92 = 1,412,841.68 : x - Step 2: Convert to fraction form
2,380,348.88/3,283,438.92 = 1,412,841.68/x - Step 3: Cross multiply
2,380,348.88x = 3,283,438.92 × 1,412,841.68 - Step 4: Simplify right side
2,380,348.88x = 4,638,979,359,910.19 - Step 5: Solve for x
x = 4,638,979,359,910.19/2,380,348.88 - Step 6: Final answer
x = 1,948,865.31
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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.