Finding the Fourth Proportional to 3,880,434.24, 5,354,288.64 and 2,161,512
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Solution
The fourth proportional to 3,880,434.24, 5,354,288.64 and 2,161,512 is: 2,982,490.73
Step by Step Solution
- Step 1: Write the proportion equation
3,880,434.24 : 5,354,288.64 = 2,161,512 : x - Step 2: Convert to fraction form
3,880,434.24/5,354,288.64 = 2,161,512/x - Step 3: Cross multiply
3,880,434.24x = 5,354,288.64 × 2,161,512 - Step 4: Simplify right side
3,880,434.24x = 11,573,359,146,823.68 - Step 5: Solve for x
x = 11,573,359,146,823.68/3,880,434.24 - Step 6: Final answer
x = 2,982,490.73
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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.