Finding the Fourth Proportional to 4,486,812.30, 6,731,202.60 and 2,213,425.80
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Solution
The fourth proportional to 4,486,812.30, 6,731,202.60 and 2,213,425.80 is: 3,320,624.20
Step by Step Solution
- Step 1: Write the proportion equation
4,486,812.30 : 6,731,202.60 = 2,213,425.80 : x - Step 2: Convert to fraction form
4,486,812.30/6,731,202.60 = 2,213,425.80/x - Step 3: Cross multiply
4,486,812.30x = 6,731,202.60 × 2,213,425.80 - Step 4: Simplify right side
4,486,812.30x = 14,899,017,499,867.08 - Step 5: Solve for x
x = 14,899,017,499,867.08/4,486,812.30 - Step 6: Final answer
x = 3,320,624.20
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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.