Finding the Fourth Proportional to 4,201,604.40, 6,302,406.60 and 2,766,713.70
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Solution
The fourth proportional to 4,201,604.40, 6,302,406.60 and 2,766,713.70 is: 4,150,070.55
Step by Step Solution
- Step 1: Write the proportion equation
4,201,604.40 : 6,302,406.60 = 2,766,713.70 : x - Step 2: Convert to fraction form
4,201,604.40/6,302,406.60 = 2,766,713.70/x - Step 3: Cross multiply
4,201,604.40x = 6,302,406.60 × 2,766,713.70 - Step 4: Simplify right side
4,201,604.40x = 17,436,954,683,190.42 - Step 5: Solve for x
x = 17,436,954,683,190.42/4,201,604.40 - Step 6: Final answer
x = 4,150,070.55
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Double scale
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Similar ratio
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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.