Finding the Fourth Proportional to 1,670,819.34, 2,305,735.11 and 906,872.88
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Solution
The fourth proportional to 1,670,819.34, 2,305,735.11 and 906,872.88 is: 1,251,486.97
Step by Step Solution
- Step 1: Write the proportion equation
1,670,819.34 : 2,305,735.11 = 906,872.88 : x - Step 2: Convert to fraction form
1,670,819.34/2,305,735.11 = 906,872.88/x - Step 3: Cross multiply
1,670,819.34x = 2,305,735.11 × 906,872.88 - Step 4: Simplify right side
1,670,819.34x = 2,091,008,639,722.82 - Step 5: Solve for x
x = 2,091,008,639,722.82/1,670,819.34 - Step 6: Final answer
x = 1,251,486.97
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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.