Finding the Fourth Proportional to 1,962,586.80, 2,941,693.20 and 764,110.80
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Solution
The fourth proportional to 1,962,586.80, 2,941,693.20 and 764,110.80 is: 1,145,314.72
Step by Step Solution
- Step 1: Write the proportion equation
1,962,586.80 : 2,941,693.20 = 764,110.80 : x - Step 2: Convert to fraction form
1,962,586.80/2,941,693.20 = 764,110.80/x - Step 3: Cross multiply
1,962,586.80x = 2,941,693.20 × 764,110.80 - Step 4: Simplify right side
1,962,586.80x = 2,247,779,544,406.56 - Step 5: Solve for x
x = 2,247,779,544,406.56/1,962,586.80 - Step 6: Final answer
x = 1,145,314.72
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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.