Finding the Fourth Proportional to 3,771,564.80, 5,648,342.22 and 2,170,762.81
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Solution
The fourth proportional to 3,771,564.80, 5,648,342.22 and 2,170,762.81 is: 3,250,961.31
Step by Step Solution
- Step 1: Write the proportion equation
3,771,564.80 : 5,648,342.22 = 2,170,762.81 : x - Step 2: Convert to fraction form
3,771,564.80/5,648,342.22 = 2,170,762.81/x - Step 3: Cross multiply
3,771,564.80x = 5,648,342.22 × 2,170,762.81 - Step 4: Simplify right side
3,771,564.80x = 12,261,211,215,207.98 - Step 5: Solve for x
x = 12,261,211,215,207.98/3,771,564.80 - Step 6: Final answer
x = 3,250,961.31
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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.