Finding the Fourth Proportional to 3,653,201.80, 5,479,802.70 and 1,129,630.60
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Solution
The fourth proportional to 3,653,201.80, 5,479,802.70 and 1,129,630.60 is: 1,694,445.90
Step by Step Solution
- Step 1: Write the proportion equation
3,653,201.80 : 5,479,802.70 = 1,129,630.60 : x - Step 2: Convert to fraction form
3,653,201.80/5,479,802.70 = 1,129,630.60/x - Step 3: Cross multiply
3,653,201.80x = 5,479,802.70 × 1,129,630.60 - Step 4: Simplify right side
3,653,201.80x = 6,190,152,811,882.62 - Step 5: Solve for x
x = 6,190,152,811,882.62/3,653,201.80 - Step 6: Final answer
x = 1,694,445.90
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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.