Finding the Fourth Proportional to 3,919,852.14, 5,409,549.62 and 2,682,058.70
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Solution
The fourth proportional to 3,919,852.14, 5,409,549.62 and 2,682,058.70 is: 3,701,346.15
Step by Step Solution
- Step 1: Write the proportion equation
3,919,852.14 : 5,409,549.62 = 2,682,058.70 : x - Step 2: Convert to fraction form
3,919,852.14/5,409,549.62 = 2,682,058.70/x - Step 3: Cross multiply
3,919,852.14x = 5,409,549.62 × 2,682,058.70 - Step 4: Simplify right side
3,919,852.14x = 14,508,729,621,402.70 - Step 5: Solve for x
x = 14,508,729,621,402.70/3,919,852.14 - Step 6: Final answer
x = 3,701,346.15
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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.