Finding the Fourth Proportional to 3,477,989.92, 5,218,486.62 and 1,881,676.74
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Solution
The fourth proportional to 3,477,989.92, 5,218,486.62 and 1,881,676.74 is: 2,823,327.59
Step by Step Solution
- Step 1: Write the proportion equation
3,477,989.92 : 5,218,486.62 = 1,881,676.74 : x - Step 2: Convert to fraction form
3,477,989.92/5,218,486.62 = 1,881,676.74/x - Step 3: Cross multiply
3,477,989.92x = 5,218,486.62 × 1,881,676.74 - Step 4: Simplify right side
3,477,989.92x = 9,819,504,890,855.22 - Step 5: Solve for x
x = 9,819,504,890,855.22/3,477,989.92 - Step 6: Final answer
x = 2,823,327.59
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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.