Finding the Fourth Proportional to 1,603,641.07, 2,213,007.06 and 868,577.05
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Solution
The fourth proportional to 1,603,641.07, 2,213,007.06 and 868,577.05 is: 1,198,626.79
Step by Step Solution
- Step 1: Write the proportion equation
1,603,641.07 : 2,213,007.06 = 868,577.05 : x - Step 2: Convert to fraction form
1,603,641.07/2,213,007.06 = 868,577.05/x - Step 3: Cross multiply
1,603,641.07x = 2,213,007.06 × 868,577.05 - Step 4: Simplify right side
1,603,641.07x = 1,922,167,139,461.09 - Step 5: Solve for x
x = 1,922,167,139,461.09/1,603,641.07 - Step 6: Final answer
x = 1,198,626.79
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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.