Finding the Fourth Proportional to 4,282,897.69, 6,415,781.09 and 2,576,098.49
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Solution
The fourth proportional to 4,282,897.69, 6,415,781.09 and 2,576,098.49 is: 3,858,995.75
Step by Step Solution
- Step 1: Write the proportion equation
4,282,897.69 : 6,415,781.09 = 2,576,098.49 : x - Step 2: Convert to fraction form
4,282,897.69/6,415,781.09 = 2,576,098.49/x - Step 3: Cross multiply
4,282,897.69x = 6,415,781.09 × 2,576,098.49 - Step 4: Simplify right side
4,282,897.69x = 16,527,683,981,278.52 - Step 5: Solve for x
x = 16,527,683,981,278.52/4,282,897.69 - Step 6: Final answer
x = 3,858,995.75
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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.