Finding the Fourth Proportional to 2,326,979.41, 3,208,584 and 1,638,431.17
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Solution
The fourth proportional to 2,326,979.41, 3,208,584 and 1,638,431.17 is: 2,259,170.84
Step by Step Solution
- Step 1: Write the proportion equation
2,326,979.41 : 3,208,584 = 1,638,431.17 : x - Step 2: Convert to fraction form
2,326,979.41/3,208,584 = 1,638,431.17/x - Step 3: Cross multiply
2,326,979.41x = 3,208,584 × 1,638,431.17 - Step 4: Simplify right side
2,326,979.41x = 5,257,044,037,163.28 - Step 5: Solve for x
x = 5,257,044,037,163.28/2,326,979.41 - Step 6: Final answer
x = 2,259,170.84
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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.