Finding the Fourth Proportional to 1,586,342.96, 2,189,159.16 and 861,192.08
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Solution
The fourth proportional to 1,586,342.96, 2,189,159.16 and 861,192.08 is: 1,188,448.26
Step by Step Solution
- Step 1: Write the proportion equation
1,586,342.96 : 2,189,159.16 = 861,192.08 : x - Step 2: Convert to fraction form
1,586,342.96/2,189,159.16 = 861,192.08/x - Step 3: Cross multiply
1,586,342.96x = 2,189,159.16 × 861,192.08 - Step 4: Simplify right side
1,586,342.96x = 1,885,286,530,451.45 - Step 5: Solve for x
x = 1,885,286,530,451.45/1,586,342.96 - Step 6: Final answer
x = 1,188,448.26
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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.