Finding the Fourth Proportional to 1,670,858.82, 2,305,787.04 and 906,912.18
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Solution
The fourth proportional to 1,670,858.82, 2,305,787.04 and 906,912.18 is: 1,251,539.82
Step by Step Solution
- Step 1: Write the proportion equation
1,670,858.82 : 2,305,787.04 = 906,912.18 : x - Step 2: Convert to fraction form
1,670,858.82/2,305,787.04 = 906,912.18/x - Step 3: Cross multiply
1,670,858.82x = 2,305,787.04 × 906,912.18 - Step 4: Simplify right side
1,670,858.82x = 2,091,146,351,062.15 - Step 5: Solve for x
x = 2,091,146,351,062.15/1,670,858.82 - Step 6: Final answer
x = 1,251,539.82
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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.