Finding the Fourth Proportional to 3,793,319.80, 5,233,193.58 and 2,486,885.56
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Solution
The fourth proportional to 3,793,319.80, 5,233,193.58 and 2,486,885.56 is: 3,430,861.15
Step by Step Solution
- Step 1: Write the proportion equation
3,793,319.80 : 5,233,193.58 = 2,486,885.56 : x - Step 2: Convert to fraction form
3,793,319.80/5,233,193.58 = 2,486,885.56/x - Step 3: Cross multiply
3,793,319.80x = 5,233,193.58 × 2,486,885.56 - Step 4: Simplify right side
3,793,319.80x = 13,014,353,546,786.71 - Step 5: Solve for x
x = 13,014,353,546,786.71/3,793,319.80 - Step 6: Final answer
x = 3,430,861.15
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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.