Finding the Fourth Proportional to 1,738,903.60, 2,608,355.40 and 1,207,462.60
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Solution
The fourth proportional to 1,738,903.60, 2,608,355.40 and 1,207,462.60 is: 1,811,193.90
Step by Step Solution
- Step 1: Write the proportion equation
1,738,903.60 : 2,608,355.40 = 1,207,462.60 : x - Step 2: Convert to fraction form
1,738,903.60/2,608,355.40 = 1,207,462.60/x - Step 3: Cross multiply
1,738,903.60x = 2,608,355.40 × 1,207,462.60 - Step 4: Simplify right side
1,738,903.60x = 3,149,491,593,008.04 - Step 5: Solve for x
x = 3,149,491,593,008.04/1,738,903.60 - Step 6: Final answer
x = 1,811,193.90
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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.