Finding the Fourth Proportional to 1,586,672.94, 2,189,646.66 and 861,551.22
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Solution
The fourth proportional to 1,586,672.94, 2,189,646.66 and 861,551.22 is: 1,188,961.32
Step by Step Solution
- Step 1: Write the proportion equation
1,586,672.94 : 2,189,646.66 = 861,551.22 : x - Step 2: Convert to fraction form
1,586,672.94/2,189,646.66 = 861,551.22/x - Step 3: Cross multiply
1,586,672.94x = 2,189,646.66 × 861,551.22 - Step 4: Simplify right side
1,586,672.94x = 1,886,492,751,291.93 - Step 5: Solve for x
x = 1,886,492,751,291.93/1,586,672.94 - Step 6: Final answer
x = 1,188,961.32
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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.