Finding the Fourth Proportional to 5,187,926.73, 7,107,426.51 and 4,993,922.19
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Solution
The fourth proportional to 5,187,926.73, 7,107,426.51 and 4,993,922.19 is: 6,841,641.53
Step by Step Solution
- Step 1: Write the proportion equation
5,187,926.73 : 7,107,426.51 = 4,993,922.19 : x - Step 2: Convert to fraction form
5,187,926.73/7,107,426.51 = 4,993,922.19/x - Step 3: Cross multiply
5,187,926.73x = 7,107,426.51 × 4,993,922.19 - Step 4: Simplify right side
5,187,926.73x = 35,493,934,962,083.26 - Step 5: Solve for x
x = 35,493,934,962,083.26/5,187,926.73 - Step 6: Final answer
x = 6,841,641.53
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.