Finding the Fourth Proportional to 6,125,907.72, 9,188,860.94 and 1,638,067.08
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Solution
The fourth proportional to 6,125,907.72, 9,188,860.94 and 1,638,067.08 is: 2,457,100.45
Step by Step Solution
- Step 1: Write the proportion equation
6,125,907.72 : 9,188,860.94 = 1,638,067.08 : x - Step 2: Convert to fraction form
6,125,907.72/9,188,860.94 = 1,638,067.08/x - Step 3: Cross multiply
6,125,907.72x = 9,188,860.94 × 1,638,067.08 - Step 4: Simplify right side
6,125,907.72x = 15,051,970,608,511.86 - Step 5: Solve for x
x = 15,051,970,608,511.86/6,125,907.72 - Step 6: Final answer
x = 2,457,100.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.