Finding the Fourth Proportional to 3,689,363.70, 5,497,367.94 and 3,286,911.96
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Solution
The fourth proportional to 3,689,363.70, 5,497,367.94 and 3,286,911.96 is: 4,897,691.28
Step by Step Solution
- Step 1: Write the proportion equation
3,689,363.70 : 5,497,367.94 = 3,286,911.96 : x - Step 2: Convert to fraction form
3,689,363.70/5,497,367.94 = 3,286,911.96/x - Step 3: Cross multiply
3,689,363.70x = 5,497,367.94 × 3,286,911.96 - Step 4: Simplify right side
3,689,363.70x = 18,069,364,430,506.56 - Step 5: Solve for x
x = 18,069,364,430,506.56/3,689,363.70 - Step 6: Final answer
x = 4,897,691.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.