Finding the Fourth Proportional to 1,277,310.33, 1,916,113.73 and 424,458.09
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Solution
The fourth proportional to 1,277,310.33, 1,916,113.73 and 424,458.09 is: 636,736.39
Step by Step Solution
- Step 1: Write the proportion equation
1,277,310.33 : 1,916,113.73 = 424,458.09 : x - Step 2: Convert to fraction form
1,277,310.33/1,916,113.73 = 424,458.09/x - Step 3: Cross multiply
1,277,310.33x = 1,916,113.73 × 424,458.09 - Step 4: Simplify right side
1,277,310.33x = 813,309,971,936.29 - Step 5: Solve for x
x = 813,309,971,936.29/1,277,310.33 - Step 6: Final answer
x = 636,736.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.