Finding the Fourth Proportional to 1,532,639.76, 2,115,042.84 and 853,576.26
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Solution
The fourth proportional to 1,532,639.76, 2,115,042.84 and 853,576.26 is: 1,177,935.22
Step by Step Solution
- Step 1: Write the proportion equation
1,532,639.76 : 2,115,042.84 = 853,576.26 : x - Step 2: Convert to fraction form
1,532,639.76/2,115,042.84 = 853,576.26/x - Step 3: Cross multiply
1,532,639.76x = 2,115,042.84 × 853,576.26 - Step 4: Simplify right side
1,532,639.76x = 1,805,350,357,106.98 - Step 5: Solve for x
x = 1,805,350,357,106.98/1,532,639.76 - Step 6: Final answer
x = 1,177,935.22
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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.