Finding the Fourth Proportional to 1,680,905.88, 2,319,759.84 and 955,821.12
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Solution
The fourth proportional to 1,680,905.88, 2,319,759.84 and 955,821.12 is: 1,319,095.54
Step by Step Solution
- Step 1: Write the proportion equation
1,680,905.88 : 2,319,759.84 = 955,821.12 : x - Step 2: Convert to fraction form
1,680,905.88/2,319,759.84 = 955,821.12/x - Step 3: Cross multiply
1,680,905.88x = 2,319,759.84 × 955,821.12 - Step 4: Simplify right side
1,680,905.88x = 2,217,275,448,399.82 - Step 5: Solve for x
x = 2,217,275,448,399.82/1,680,905.88 - Step 6: Final answer
x = 1,319,095.54
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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.