Finding the Fourth Proportional to 5,418,829.67, 7,471,855.76 and 3,456,083.03
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Solution
The fourth proportional to 5,418,829.67, 7,471,855.76 and 3,456,083.03 is: 4,765,485.43
Step by Step Solution
- Step 1: Write the proportion equation
5,418,829.67 : 7,471,855.76 = 3,456,083.03 : x - Step 2: Convert to fraction form
5,418,829.67/7,471,855.76 = 3,456,083.03/x - Step 3: Cross multiply
5,418,829.67x = 7,471,855.76 × 3,456,083.03 - Step 4: Simplify right side
5,418,829.67x = 25,823,353,840,104.06 - Step 5: Solve for x
x = 25,823,353,840,104.06/5,418,829.67 - Step 6: Final answer
x = 4,765,485.43
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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.