Finding the Fourth Proportional to 1,540,400.44, 2,125,589.01 and 851,962.90
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Solution
The fourth proportional to 1,540,400.44, 2,125,589.01 and 851,962.90 is: 1,175,618.32
Step by Step Solution
- Step 1: Write the proportion equation
1,540,400.44 : 2,125,589.01 = 851,962.90 : x - Step 2: Convert to fraction form
1,540,400.44/2,125,589.01 = 851,962.90/x - Step 3: Cross multiply
1,540,400.44x = 2,125,589.01 × 851,962.90 - Step 4: Simplify right side
1,540,400.44x = 1,810,922,977,167.73 - Step 5: Solve for x
x = 1,810,922,977,167.73/1,540,400.44 - Step 6: Final answer
x = 1,175,618.32
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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.