Finding the Fourth Proportional to 4,793,419.09, 6,614,882.85 and 2,617,963.21
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Solution
The fourth proportional to 4,793,419.09, 6,614,882.85 and 2,617,963.21 is: 3,612,769.84
Step by Step Solution
- Step 1: Write the proportion equation
4,793,419.09 : 6,614,882.85 = 2,617,963.21 : x - Step 2: Convert to fraction form
4,793,419.09/6,614,882.85 = 2,617,963.21/x - Step 3: Cross multiply
4,793,419.09x = 6,614,882.85 × 2,617,963.21 - Step 4: Simplify right side
4,793,419.09x = 17,317,519,939,759.95 - Step 5: Solve for x
x = 17,317,519,939,759.95/4,793,419.09 - Step 6: Final answer
x = 3,612,769.84
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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.