Finding the Fourth Proportional to 2,876,231.97, 3,970,637.15 and 1,788,854.09
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Solution
The fourth proportional to 2,876,231.97, 3,970,637.15 and 1,788,854.09 is: 2,469,512.39
Step by Step Solution
- Step 1: Write the proportion equation
2,876,231.97 : 3,970,637.15 = 1,788,854.09 : x - Step 2: Convert to fraction form
2,876,231.97/3,970,637.15 = 1,788,854.09/x - Step 3: Cross multiply
2,876,231.97x = 3,970,637.15 × 1,788,854.09 - Step 4: Simplify right side
2,876,231.97x = 7,102,890,476,885.99 - Step 5: Solve for x
x = 7,102,890,476,885.99/2,876,231.97 - Step 6: Final answer
x = 2,469,512.39
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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.