Finding the Fourth Proportional to 1,540,405.72, 2,125,596.24 and 851,968.18
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Solution
The fourth proportional to 1,540,405.72, 2,125,596.24 and 851,968.18 is: 1,175,625.57
Step by Step Solution
- Step 1: Write the proportion equation
1,540,405.72 : 2,125,596.24 = 851,968.18 : x - Step 2: Convert to fraction form
1,540,405.72/2,125,596.24 = 851,968.18/x - Step 3: Cross multiply
1,540,405.72x = 2,125,596.24 × 851,968.18 - Step 4: Simplify right side
1,540,405.72x = 1,810,940,360,007.64 - Step 5: Solve for x
x = 1,810,940,360,007.64/1,540,405.72 - Step 6: Final answer
x = 1,175,625.57
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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.