Finding the Fourth Proportional to 5,419,527.64, 8,128,500.09 and 1,580,318.40
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Solution
The fourth proportional to 5,419,527.64, 8,128,500.09 and 1,580,318.40 is: 2,370,246.84
Step by Step Solution
- Step 1: Write the proportion equation
5,419,527.64 : 8,128,500.09 = 1,580,318.40 : x - Step 2: Convert to fraction form
5,419,527.64/8,128,500.09 = 1,580,318.40/x - Step 3: Cross multiply
5,419,527.64x = 8,128,500.09 × 1,580,318.40 - Step 4: Simplify right side
5,419,527.64x = 12,845,618,256,628.65 - Step 5: Solve for x
x = 12,845,618,256,628.65/5,419,527.64 - Step 6: Final answer
x = 2,370,246.84
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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.