Finding the Fourth Proportional to 3,120,704.20, 4,670,688.30 and 2,265,344.20
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Solution
The fourth proportional to 3,120,704.20, 4,670,688.30 and 2,265,344.20 is: 3,390,490.09
Step by Step Solution
- Step 1: Write the proportion equation
3,120,704.20 : 4,670,688.30 = 2,265,344.20 : x - Step 2: Convert to fraction form
3,120,704.20/4,670,688.30 = 2,265,344.20/x - Step 3: Cross multiply
3,120,704.20x = 4,670,688.30 × 2,265,344.20 - Step 4: Simplify right side
3,120,704.20x = 10,580,716,650,412.86 - Step 5: Solve for x
x = 10,580,716,650,412.86/3,120,704.20 - Step 6: Final answer
x = 3,390,490.09
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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.