Finding the Fourth Proportional to 3,617,568.48, 4,992,232.16 and 1,985,935.20
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Solution
The fourth proportional to 3,617,568.48, 4,992,232.16 and 1,985,935.20 is: 2,740,583.80
Step by Step Solution
- Step 1: Write the proportion equation
3,617,568.48 : 4,992,232.16 = 1,985,935.20 : x - Step 2: Convert to fraction form
3,617,568.48/4,992,232.16 = 1,985,935.20/x - Step 3: Cross multiply
3,617,568.48x = 4,992,232.16 × 1,985,935.20 - Step 4: Simplify right side
3,617,568.48x = 9,914,249,573,116.03 - Step 5: Solve for x
x = 9,914,249,573,116.03/3,617,568.48 - Step 6: Final answer
x = 2,740,583.80
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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.