Finding the Fourth Proportional to 5,491,726.98, 7,579,422.09 and 3,505,720.52
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Solution
The fourth proportional to 5,491,726.98, 7,579,422.09 and 3,505,720.52 is: 4,838,429.81
Step by Step Solution
- Step 1: Write the proportion equation
5,491,726.98 : 7,579,422.09 = 3,505,720.52 : x - Step 2: Convert to fraction form
5,491,726.98/7,579,422.09 = 3,505,720.52/x - Step 3: Cross multiply
5,491,726.98x = 7,579,422.09 × 3,505,720.52 - Step 4: Simplify right side
5,491,726.98x = 26,571,335,512,757.18 - Step 5: Solve for x
x = 26,571,335,512,757.18/5,491,726.98 - Step 6: Final answer
x = 4,838,429.81
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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.