Finding the Fourth Proportional to 5,927,138.12, 8,180,817.39 and 3,858,550.80
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Solution
The fourth proportional to 5,927,138.12, 8,180,817.39 and 3,858,550.80 is: 5,325,689.88
Step by Step Solution
- Step 1: Write the proportion equation
5,927,138.12 : 8,180,817.39 = 3,858,550.80 : x - Step 2: Convert to fraction form
5,927,138.12/8,180,817.39 = 3,858,550.80/x - Step 3: Cross multiply
5,927,138.12x = 8,180,817.39 × 3,858,550.80 - Step 4: Simplify right side
5,927,138.12x = 31,566,099,484,838.41 - Step 5: Solve for x
x = 31,566,099,484,838.41/5,927,138.12 - Step 6: Final answer
x = 5,325,689.88
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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.