Finding the Fourth Proportional to 5,370,958.74, 8,056,359.12 and 1,327,446.96
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Solution
The fourth proportional to 5,370,958.74, 8,056,359.12 and 1,327,446.96 is: 1,991,150.92
Step by Step Solution
- Step 1: Write the proportion equation
5,370,958.74 : 8,056,359.12 = 1,327,446.96 : x - Step 2: Convert to fraction form
5,370,958.74/8,056,359.12 = 1,327,446.96/x - Step 3: Cross multiply
5,370,958.74x = 8,056,359.12 × 1,327,446.96 - Step 4: Simplify right side
5,370,958.74x = 10,694,389,422,512.28 - Step 5: Solve for x
x = 10,694,389,422,512.28/5,370,958.74 - Step 6: Final answer
x = 1,991,150.92
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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.