Finding the Fourth Proportional to 4,178,261.04, 5,763,877.86 and 2,728,804.92
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Solution
The fourth proportional to 4,178,261.04, 5,763,877.86 and 2,728,804.92 is: 3,764,364.67
Step by Step Solution
- Step 1: Write the proportion equation
4,178,261.04 : 5,763,877.86 = 2,728,804.92 : x - Step 2: Convert to fraction form
4,178,261.04/5,763,877.86 = 2,728,804.92/x - Step 3: Cross multiply
4,178,261.04x = 5,763,877.86 × 2,728,804.92 - Step 4: Simplify right side
4,178,261.04x = 15,728,498,233,827.68 - Step 5: Solve for x
x = 15,728,498,233,827.68/4,178,261.04 - Step 6: Final answer
x = 3,764,364.67
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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.