Finding the Fourth Proportional to 4,154,113.20, 6,231,169.80 and 3,314,305.20
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Solution
The fourth proportional to 4,154,113.20, 6,231,169.80 and 3,314,305.20 is: 4,971,457.80
Step by Step Solution
- Step 1: Write the proportion equation
4,154,113.20 : 6,231,169.80 = 3,314,305.20 : x - Step 2: Convert to fraction form
4,154,113.20/6,231,169.80 = 3,314,305.20/x - Step 3: Cross multiply
4,154,113.20x = 6,231,169.80 × 3,314,305.20 - Step 4: Simplify right side
4,154,113.20x = 20,651,998,470,222.96 - Step 5: Solve for x
x = 20,651,998,470,222.96/4,154,113.20 - Step 6: Final answer
x = 4,971,457.80
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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.