Finding the Fourth Proportional to 3,790,564.68, 5,230,966.62 and 2,071,684.68
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Solution
The fourth proportional to 3,790,564.68, 5,230,966.62 and 2,071,684.68 is: 2,858,917.95
Step by Step Solution
- Step 1: Write the proportion equation
3,790,564.68 : 5,230,966.62 = 2,071,684.68 : x - Step 2: Convert to fraction form
3,790,564.68/5,230,966.62 = 2,071,684.68/x - Step 3: Cross multiply
3,790,564.68x = 5,230,966.62 × 2,071,684.68 - Step 4: Simplify right side
3,790,564.68x = 10,836,913,408,245.38 - Step 5: Solve for x
x = 10,836,913,408,245.38/3,790,564.68 - Step 6: Final answer
x = 2,858,917.95
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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.