Finding the Fourth Proportional to 1,603,382.70, 2,212,640.73 and 868,331.01
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Solution
The fourth proportional to 1,603,382.70, 2,212,640.73 and 868,331.01 is: 1,198,281.96
Step by Step Solution
- Step 1: Write the proportion equation
1,603,382.70 : 2,212,640.73 = 868,331.01 : x - Step 2: Convert to fraction form
1,603,382.70/2,212,640.73 = 868,331.01/x - Step 3: Cross multiply
1,603,382.70x = 2,212,640.73 × 868,331.01 - Step 4: Simplify right side
1,603,382.70x = 1,921,304,559,848.04 - Step 5: Solve for x
x = 1,921,304,559,848.04/1,603,382.70 - Step 6: Final answer
x = 1,198,281.96
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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.