Finding the Fourth Proportional to 1,491,818.64, 2,239,293.30 and 1,322,125.98
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Solution
The fourth proportional to 1,491,818.64, 2,239,293.30 and 1,322,125.98 is: 1,984,576.25
Step by Step Solution
- Step 1: Write the proportion equation
1,491,818.64 : 2,239,293.30 = 1,322,125.98 : x - Step 2: Convert to fraction form
1,491,818.64/2,239,293.30 = 1,322,125.98/x - Step 3: Cross multiply
1,491,818.64x = 2,239,293.30 × 1,322,125.98 - Step 4: Simplify right side
1,491,818.64x = 2,960,627,848,769.93 - Step 5: Solve for x
x = 2,960,627,848,769.93/1,491,818.64 - Step 6: Final answer
x = 1,984,576.25
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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.