Finding the Fourth Proportional to 6,423,039.68, 9,634,576.25 and 2,166,198.08
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Solution
The fourth proportional to 6,423,039.68, 9,634,576.25 and 2,166,198.08 is: 3,249,302.76
Step by Step Solution
- Step 1: Write the proportion equation
6,423,039.68 : 9,634,576.25 = 2,166,198.08 : x - Step 2: Convert to fraction form
6,423,039.68/9,634,576.25 = 2,166,198.08/x - Step 3: Cross multiply
6,423,039.68x = 9,634,576.25 × 2,166,198.08 - Step 4: Simplify right side
6,423,039.68x = 20,870,400,515,359.73 - Step 5: Solve for x
x = 20,870,400,515,359.73/6,423,039.68 - Step 6: Final answer
x = 3,249,302.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.