Finding the Fourth Proportional to 3,745,832.13, 5,169,257.33 and 2,026,971.09
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Solution
The fourth proportional to 3,745,832.13, 5,169,257.33 and 2,026,971.09 is: 2,797,224.97
Step by Step Solution
- Step 1: Write the proportion equation
3,745,832.13 : 5,169,257.33 = 2,026,971.09 : x - Step 2: Convert to fraction form
3,745,832.13/5,169,257.33 = 2,026,971.09/x - Step 3: Cross multiply
3,745,832.13x = 5,169,257.33 × 2,026,971.09 - Step 4: Simplify right side
3,745,832.13x = 10,477,935,154,545.73 - Step 5: Solve for x
x = 10,477,935,154,545.73/3,745,832.13 - Step 6: Final answer
x = 2,797,224.97
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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.