Finding the Fourth Proportional to 1,409,688.12, 1,942,687.98 and 1,383,779.64
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Solution
The fourth proportional to 1,409,688.12, 1,942,687.98 and 1,383,779.64 is: 1,906,983.56
Step by Step Solution
- Step 1: Write the proportion equation
1,409,688.12 : 1,942,687.98 = 1,383,779.64 : x - Step 2: Convert to fraction form
1,409,688.12/1,942,687.98 = 1,383,779.64/x - Step 3: Cross multiply
1,409,688.12x = 1,942,687.98 × 1,383,779.64 - Step 4: Simplify right side
1,409,688.12x = 2,688,252,073,596.73 - Step 5: Solve for x
x = 2,688,252,073,596.73/1,409,688.12 - Step 6: Final answer
x = 1,906,983.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.