Finding the Fourth Proportional to 1,511,709.96, 2,086,159.56 and 832,646.44
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Solution
The fourth proportional to 1,511,709.96, 2,086,159.56 and 832,646.44 is: 1,149,051.99
Step by Step Solution
- Step 1: Write the proportion equation
1,511,709.96 : 2,086,159.56 = 832,646.44 : x - Step 2: Convert to fraction form
1,511,709.96/2,086,159.56 = 832,646.44/x - Step 3: Cross multiply
1,511,709.96x = 2,086,159.56 × 832,646.44 - Step 4: Simplify right side
1,511,709.96x = 1,737,033,330,905.97 - Step 5: Solve for x
x = 1,737,033,330,905.97/1,511,709.96 - Step 6: Final answer
x = 1,149,051.99
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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.