Finding the Fourth Proportional to 3,690,460.84, 5,537,289.39 and 1,982,611.48
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Solution
The fourth proportional to 3,690,460.84, 5,537,289.39 and 1,982,611.48 is: 2,974,775.78
Step by Step Solution
- Step 1: Write the proportion equation
3,690,460.84 : 5,537,289.39 = 1,982,611.48 : x - Step 2: Convert to fraction form
3,690,460.84/5,537,289.39 = 1,982,611.48/x - Step 3: Cross multiply
3,690,460.84x = 5,537,289.39 × 1,982,611.48 - Step 4: Simplify right side
3,690,460.84x = 10,978,293,512,696.20 - Step 5: Solve for x
x = 10,978,293,512,696.20/3,690,460.84 - Step 6: Final answer
x = 2,974,775.78
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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.