Finding the Fourth Proportional to 3,326,410.49, 4,589,578.98 and 1,949,014.13
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Solution
The fourth proportional to 3,326,410.49, 4,589,578.98 and 1,949,014.13 is: 2,689,131.21
Step by Step Solution
- Step 1: Write the proportion equation
3,326,410.49 : 4,589,578.98 = 1,949,014.13 : x - Step 2: Convert to fraction form
3,326,410.49/4,589,578.98 = 1,949,014.13/x - Step 3: Cross multiply
3,326,410.49x = 4,589,578.98 × 1,949,014.13 - Step 4: Simplify right side
3,326,410.49x = 8,945,154,259,823.09 - Step 5: Solve for x
x = 8,945,154,259,823.09/3,326,410.49 - Step 6: Final answer
x = 2,689,131.21
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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.