Finding the Fourth Proportional to 1,541,821.16, 2,127,687.45 and 853,478.46
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Solution
The fourth proportional to 1,541,821.16, 2,127,687.45 and 853,478.46 is: 1,177,786.02
Step by Step Solution
- Step 1: Write the proportion equation
1,541,821.16 : 2,127,687.45 = 853,478.46 : x - Step 2: Convert to fraction form
1,541,821.16/2,127,687.45 = 853,478.46/x - Step 3: Cross multiply
1,541,821.16x = 2,127,687.45 × 853,478.46 - Step 4: Simplify right side
1,541,821.16x = 1,815,935,404,695.21 - Step 5: Solve for x
x = 1,815,935,404,695.21/1,541,821.16 - Step 6: Final answer
x = 1,177,786.02
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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.