Finding the Fourth Proportional to 4,609,242.45, 6,913,863.68 and 3,190,900.05
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Solution
The fourth proportional to 4,609,242.45, 6,913,863.68 and 3,190,900.05 is: 4,786,350.08
Step by Step Solution
- Step 1: Write the proportion equation
4,609,242.45 : 6,913,863.68 = 3,190,900.05 : x - Step 2: Convert to fraction form
4,609,242.45/6,913,863.68 = 3,190,900.05/x - Step 3: Cross multiply
4,609,242.45x = 6,913,863.68 × 3,190,900.05 - Step 4: Simplify right side
4,609,242.45x = 22,061,447,946,250.68 - Step 5: Solve for x
x = 22,061,447,946,250.68/4,609,242.45 - Step 6: Final answer
x = 4,786,350.08
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1.5x scale
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.