Finding the Fourth Proportional to 1,540,398.68, 2,125,586.59 and 851,961.15
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Solution
The fourth proportional to 1,540,398.68, 2,125,586.59 and 851,961.15 is: 1,175,615.91
Step by Step Solution
- Step 1: Write the proportion equation
1,540,398.68 : 2,125,586.59 = 851,961.15 : x - Step 2: Convert to fraction form
1,540,398.68/2,125,586.59 = 851,961.15/x - Step 3: Cross multiply
1,540,398.68x = 2,125,586.59 × 851,961.15 - Step 4: Simplify right side
1,540,398.68x = 1,810,917,193,511.08 - Step 5: Solve for x
x = 1,810,917,193,511.08/1,540,398.68 - Step 6: Final answer
x = 1,175,615.91
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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.