Finding the Fourth Proportional to 6,241,138.20, 9,354,708.90 and 3,207,331.80
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Solution
The fourth proportional to 6,241,138.20, 9,354,708.90 and 3,207,331.80 is: 4,807,401.21
Step by Step Solution
- Step 1: Write the proportion equation
6,241,138.20 : 9,354,708.90 = 3,207,331.80 : x - Step 2: Convert to fraction form
6,241,138.20/9,354,708.90 = 3,207,331.80/x - Step 3: Cross multiply
6,241,138.20x = 9,354,708.90 × 3,207,331.80 - Step 4: Simplify right side
6,241,138.20x = 30,003,655,334,713.02 - Step 5: Solve for x
x = 30,003,655,334,713.02/6,241,138.20 - Step 6: Final answer
x = 4,807,401.21
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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.