Finding the Fourth Proportional to 982,006.68, 1,354,711.50 and 637,818.12
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Solution
The fourth proportional to 982,006.68, 1,354,711.50 and 637,818.12 is: 879,891.72
Step by Step Solution
- Step 1: Write the proportion equation
982,006.68 : 1,354,711.50 = 637,818.12 : x - Step 2: Convert to fraction form
982,006.68/1,354,711.50 = 637,818.12/x - Step 3: Cross multiply
982,006.68x = 1,354,711.50 × 637,818.12 - Step 4: Simplify right side
982,006.68x = 864,059,542,072.38 - Step 5: Solve for x
x = 864,059,542,072.38/982,006.68 - Step 6: Final answer
x = 879,891.72
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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.