Finding the Fourth Proportional to 4,740,825.38, 6,542,356.37 and 2,565,368.55
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Solution
The fourth proportional to 4,740,825.38, 6,542,356.37 and 2,565,368.55 is: 3,540,217.99
Step by Step Solution
- Step 1: Write the proportion equation
4,740,825.38 : 6,542,356.37 = 2,565,368.55 : x - Step 2: Convert to fraction form
4,740,825.38/6,542,356.37 = 2,565,368.55/x - Step 3: Cross multiply
4,740,825.38x = 6,542,356.37 × 2,565,368.55 - Step 4: Simplify right side
4,740,825.38x = 16,783,555,261,663.32 - Step 5: Solve for x
x = 16,783,555,261,663.32/4,740,825.38 - Step 6: Final answer
x = 3,540,217.99
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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.