Finding the Fourth Proportional to 3,198,289.09, 4,798,264.52 and 954,427.09
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Solution
The fourth proportional to 3,198,289.09, 4,798,264.52 and 954,427.09 is: 1,431,888.58
Step by Step Solution
- Step 1: Write the proportion equation
3,198,289.09 : 4,798,264.52 = 954,427.09 : x - Step 2: Convert to fraction form
3,198,289.09/4,798,264.52 = 954,427.09/x - Step 3: Cross multiply
3,198,289.09x = 4,798,264.52 × 954,427.09 - Step 4: Simplify right side
3,198,289.09x = 4,579,593,638,101.71 - Step 5: Solve for x
x = 4,579,593,638,101.71/3,198,289.09 - Step 6: Final answer
x = 1,431,888.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.