Finding the Fourth Proportional to 2,980,191.15, 4,112,751.60 and 2,110,581.63
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Solution
The fourth proportional to 2,980,191.15, 4,112,751.60 and 2,110,581.63 is: 2,912,664.84
Step by Step Solution
- Step 1: Write the proportion equation
2,980,191.15 : 4,112,751.60 = 2,110,581.63 : x - Step 2: Convert to fraction form
2,980,191.15/4,112,751.60 = 2,110,581.63/x - Step 3: Cross multiply
2,980,191.15x = 4,112,751.60 × 2,110,581.63 - Step 4: Simplify right side
2,980,191.15x = 8,680,297,975,713.11 - Step 5: Solve for x
x = 8,680,297,975,713.11/2,980,191.15 - Step 6: Final answer
x = 2,912,664.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.