Finding the Fourth Proportional to 5,167,908, 7,131,643.36 and 2,876,068.08
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Solution
The fourth proportional to 5,167,908, 7,131,643.36 and 2,876,068.08 is: 3,968,935.17
Step by Step Solution
- Step 1: Write the proportion equation
5,167,908 : 7,131,643.36 = 2,876,068.08 : x - Step 2: Convert to fraction form
5,167,908/7,131,643.36 = 2,876,068.08/x - Step 3: Cross multiply
5,167,908x = 7,131,643.36 × 2,876,068.08 - Step 4: Simplify right side
5,167,908x = 20,511,091,825,639.95 - Step 5: Solve for x
x = 20,511,091,825,639.95/5,167,908 - Step 6: Final answer
x = 3,968,935.17
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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.