Finding the Fourth Proportional to 3,431,934, 5,149,328.76 and 1,511,862.48
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Solution
The fourth proportional to 3,431,934, 5,149,328.76 and 1,511,862.48 is: 2,268,422.69
Step by Step Solution
- Step 1: Write the proportion equation
3,431,934 : 5,149,328.76 = 1,511,862.48 : x - Step 2: Convert to fraction form
3,431,934/5,149,328.76 = 1,511,862.48/x - Step 3: Cross multiply
3,431,934x = 5,149,328.76 × 1,511,862.48 - Step 4: Simplify right side
3,431,934x = 7,785,076,949,428.93 - Step 5: Solve for x
x = 7,785,076,949,428.93/3,431,934 - Step 6: Final answer
x = 2,268,422.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.