Finding the Fourth Proportional to 1,603,182.36, 2,212,415.82 and 878,097.12
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Solution
The fourth proportional to 1,603,182.36, 2,212,415.82 and 878,097.12 is: 1,211,787.26
Step by Step Solution
- Step 1: Write the proportion equation
1,603,182.36 : 2,212,415.82 = 878,097.12 : x - Step 2: Convert to fraction form
1,603,182.36/2,212,415.82 = 878,097.12/x - Step 3: Cross multiply
1,603,182.36x = 2,212,415.82 × 878,097.12 - Step 4: Simplify right side
1,603,182.36x = 1,942,715,959,784.44 - Step 5: Solve for x
x = 1,942,715,959,784.44/1,603,182.36 - Step 6: Final answer
x = 1,211,787.26
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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.