Finding the Fourth Proportional to 1,644,137.16, 2,268,957.07 and 899,106.81
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Solution
The fourth proportional to 1,644,137.16, 2,268,957.07 and 899,106.81 is: 1,240,793.53
Step by Step Solution
- Step 1: Write the proportion equation
1,644,137.16 : 2,268,957.07 = 899,106.81 : x - Step 2: Convert to fraction form
1,644,137.16/2,268,957.07 = 899,106.81/x - Step 3: Cross multiply
1,644,137.16x = 2,268,957.07 × 899,106.81 - Step 4: Simplify right side
1,644,137.16x = 2,040,034,755,482.41 - Step 5: Solve for x
x = 2,040,034,755,482.41/1,644,137.16 - Step 6: Final answer
x = 1,240,793.53
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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.