Finding the Fourth Proportional to 2,929,853.40, 4,394,780.10 and 1,796,112.60
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Solution
The fourth proportional to 2,929,853.40, 4,394,780.10 and 1,796,112.60 is: 2,694,168.90
Step by Step Solution
- Step 1: Write the proportion equation
2,929,853.40 : 4,394,780.10 = 1,796,112.60 : x - Step 2: Convert to fraction form
2,929,853.40/4,394,780.10 = 1,796,112.60/x - Step 3: Cross multiply
2,929,853.40x = 4,394,780.10 × 1,796,112.60 - Step 4: Simplify right side
2,929,853.40x = 7,893,519,911,839.26 - Step 5: Solve for x
x = 7,893,519,911,839.26/2,929,853.40 - Step 6: Final answer
x = 2,694,168.90
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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.