Finding the Fourth Proportional to 1,409,648.40, 2,114,861.40 and 699,699.60
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Solution
The fourth proportional to 1,409,648.40, 2,114,861.40 and 699,699.60 is: 1,049,742.39
Step by Step Solution
- Step 1: Write the proportion equation
1,409,648.40 : 2,114,861.40 = 699,699.60 : x - Step 2: Convert to fraction form
1,409,648.40/2,114,861.40 = 699,699.60/x - Step 3: Cross multiply
1,409,648.40x = 2,114,861.40 × 699,699.60 - Step 4: Simplify right side
1,409,648.40x = 1,479,767,675,635.44 - Step 5: Solve for x
x = 1,479,767,675,635.44/1,409,648.40 - Step 6: Final answer
x = 1,049,742.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.