Finding the Fourth Proportional to 4,737,901.70, 6,538,603.30 and 2,672,163.56
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Solution
The fourth proportional to 4,737,901.70, 6,538,603.30 and 2,672,163.56 is: 3,687,754.32
Step by Step Solution
- Step 1: Write the proportion equation
4,737,901.70 : 6,538,603.30 = 2,672,163.56 : x - Step 2: Convert to fraction form
4,737,901.70/6,538,603.30 = 2,672,163.56/x - Step 3: Cross multiply
4,737,901.70x = 6,538,603.30 × 2,672,163.56 - Step 4: Simplify right side
4,737,901.70x = 17,472,217,455,209.24 - Step 5: Solve for x
x = 17,472,217,455,209.24/4,737,901.70 - Step 6: Final answer
x = 3,687,754.32
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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.