Finding the Fourth Proportional to 5,228,747.70, 7,841,358.29 and 1,989,516.39
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Solution
The fourth proportional to 5,228,747.70, 7,841,358.29 and 1,989,516.39 is: 2,983,603.67
Step by Step Solution
- Step 1: Write the proportion equation
5,228,747.70 : 7,841,358.29 = 1,989,516.39 : x - Step 2: Convert to fraction form
5,228,747.70/7,841,358.29 = 1,989,516.39/x - Step 3: Cross multiply
5,228,747.70x = 7,841,358.29 × 1,989,516.39 - Step 4: Simplify right side
5,228,747.70x = 15,600,510,837,817.37 - Step 5: Solve for x
x = 15,600,510,837,817.37/5,228,747.70 - Step 6: Final answer
x = 2,983,603.67
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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.