Finding the Fourth Proportional to 3,198,268.37, 4,413,599.80 and 1,747,963.42
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Solution
The fourth proportional to 3,198,268.37, 4,413,599.80 and 1,747,963.42 is: 2,412,183.75
Step by Step Solution
- Step 1: Write the proportion equation
3,198,268.37 : 4,413,599.80 = 1,747,963.42 : x - Step 2: Convert to fraction form
3,198,268.37/4,413,599.80 = 1,747,963.42/x - Step 3: Cross multiply
3,198,268.37x = 4,413,599.80 × 1,747,963.42 - Step 4: Simplify right side
3,198,268.37x = 7,714,810,985,515.41 - Step 5: Solve for x
x = 7,714,810,985,515.41/3,198,268.37 - Step 6: Final answer
x = 2,412,183.75
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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.