Finding the Fourth Proportional to 6,657,906.08, 9,187,907.28 and 3,757,905.20
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Solution
The fourth proportional to 6,657,906.08, 9,187,907.28 and 3,757,905.20 is: 5,185,907.42
Step by Step Solution
- Step 1: Write the proportion equation
6,657,906.08 : 9,187,907.28 = 3,757,905.20 : x - Step 2: Convert to fraction form
6,657,906.08/9,187,907.28 = 3,757,905.20/x - Step 3: Cross multiply
6,657,906.08x = 9,187,907.28 × 3,757,905.20 - Step 4: Simplify right side
6,657,906.08x = 34,527,284,544,629.86 - Step 5: Solve for x
x = 34,527,284,544,629.86/6,657,906.08 - Step 6: Final answer
x = 5,185,907.42
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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.