Finding the Fourth Proportional to 1,603,669.03, 2,213,118.35 and 878,516.53
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Solution
The fourth proportional to 1,603,669.03, 2,213,118.35 and 878,516.53 is: 1,212,382.99
Step by Step Solution
- Step 1: Write the proportion equation
1,603,669.03 : 2,213,118.35 = 878,516.53 : x - Step 2: Convert to fraction form
1,603,669.03/2,213,118.35 = 878,516.53/x - Step 3: Cross multiply
1,603,669.03x = 2,213,118.35 × 878,516.53 - Step 4: Simplify right side
1,603,669.03x = 1,944,261,053,321.33 - Step 5: Solve for x
x = 1,944,261,053,321.33/1,603,669.03 - Step 6: Final answer
x = 1,212,382.99
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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.