Finding the Fourth Proportional to 2,969,542.16, 4,097,979.36 and 1,611,415.28
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Solution
The fourth proportional to 2,969,542.16, 4,097,979.36 and 1,611,415.28 is: 2,223,759.15
Step by Step Solution
- Step 1: Write the proportion equation
2,969,542.16 : 4,097,979.36 = 1,611,415.28 : x - Step 2: Convert to fraction form
2,969,542.16/4,097,979.36 = 1,611,415.28/x - Step 3: Cross multiply
2,969,542.16x = 4,097,979.36 × 1,611,415.28 - Step 4: Simplify right side
2,969,542.16x = 6,603,546,557,828.62 - Step 5: Solve for x
x = 6,603,546,557,828.62/2,969,542.16 - Step 6: Final answer
x = 2,223,759.15
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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.