Finding the Fourth Proportional to 1,680,712.14, 2,319,464.76 and 945,895.92
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Solution
The fourth proportional to 1,680,712.14, 2,319,464.76 and 945,895.92 is: 1,305,382.52
Step by Step Solution
- Step 1: Write the proportion equation
1,680,712.14 : 2,319,464.76 = 945,895.92 : x - Step 2: Convert to fraction form
1,680,712.14/2,319,464.76 = 945,895.92/x - Step 3: Cross multiply
1,680,712.14x = 2,319,464.76 × 945,895.92 - Step 4: Simplify right side
1,680,712.14x = 2,193,972,253,067.78 - Step 5: Solve for x
x = 2,193,972,253,067.78/1,680,712.14 - Step 6: Final answer
x = 1,305,382.52
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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.