Finding the Fourth Proportional to 3,534,104.76, 4,876,936.56 and 2,159,747.79
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Solution
The fourth proportional to 3,534,104.76, 4,876,936.56 and 2,159,747.79 is: 2,980,373.72
Step by Step Solution
- Step 1: Write the proportion equation
3,534,104.76 : 4,876,936.56 = 2,159,747.79 : x - Step 2: Convert to fraction form
3,534,104.76/4,876,936.56 = 2,159,747.79/x - Step 3: Cross multiply
3,534,104.76x = 4,876,936.56 × 2,159,747.79 - Step 4: Simplify right side
3,534,104.76x = 10,532,952,957,430.20 - Step 5: Solve for x
x = 10,532,952,957,430.20/3,534,104.76 - Step 6: Final answer
x = 2,980,373.72
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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.