Finding the Fourth Proportional to 1,515,260.44, 2,091,109.62 and 826,969.96
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Solution
The fourth proportional to 1,515,260.44, 2,091,109.62 and 826,969.96 is: 1,141,245.95
Step by Step Solution
- Step 1: Write the proportion equation
1,515,260.44 : 2,091,109.62 = 826,969.96 : x - Step 2: Convert to fraction form
1,515,260.44/2,091,109.62 = 826,969.96/x - Step 3: Cross multiply
1,515,260.44x = 2,091,109.62 × 826,969.96 - Step 4: Simplify right side
1,515,260.44x = 1,729,284,838,807.02 - Step 5: Solve for x
x = 1,729,284,838,807.02/1,515,260.44 - Step 6: Final answer
x = 1,141,245.95
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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.