Finding the Fourth Proportional to 1,540,319.09, 2,125,497.69 and 851,976.13
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Solution
The fourth proportional to 1,540,319.09, 2,125,497.69 and 851,976.13 is: 1,175,648.15
Step by Step Solution
- Step 1: Write the proportion equation
1,540,319.09 : 2,125,497.69 = 851,976.13 : x - Step 2: Convert to fraction form
1,540,319.09/2,125,497.69 = 851,976.13/x - Step 3: Cross multiply
1,540,319.09x = 2,125,497.69 × 851,976.13 - Step 4: Simplify right side
1,540,319.09x = 1,810,873,296,250.14 - Step 5: Solve for x
x = 1,810,873,296,250.14/1,540,319.09 - Step 6: Final answer
x = 1,175,648.15
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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.