Finding the Fourth Proportional to 5,776,548.18, 7,972,171.41 and 3,198,228.99
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Solution
The fourth proportional to 5,776,548.18, 7,972,171.41 and 3,198,228.99 is: 4,413,852.17
Step by Step Solution
- Step 1: Write the proportion equation
5,776,548.18 : 7,972,171.41 = 3,198,228.99 : x - Step 2: Convert to fraction form
5,776,548.18/7,972,171.41 = 3,198,228.99/x - Step 3: Cross multiply
5,776,548.18x = 7,972,171.41 × 3,198,228.99 - Step 4: Simplify right side
5,776,548.18x = 25,496,829,716,711.18 - Step 5: Solve for x
x = 25,496,829,716,711.18/5,776,548.18 - Step 6: Final answer
x = 4,413,852.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.