Finding the Fourth Proportional to 5,940,534.58, 8,212,930.20 and 4,389,349.70
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Solution
The fourth proportional to 5,940,534.58, 8,212,930.20 and 4,389,349.70 is: 6,068,380.25
Step by Step Solution
- Step 1: Write the proportion equation
5,940,534.58 : 8,212,930.20 = 4,389,349.70 : x - Step 2: Convert to fraction form
5,940,534.58/8,212,930.20 = 4,389,349.70/x - Step 3: Cross multiply
5,940,534.58x = 8,212,930.20 × 4,389,349.70 - Step 4: Simplify right side
5,940,534.58x = 36,049,422,709,490.95 - Step 5: Solve for x
x = 36,049,422,709,490.95/5,940,534.58 - Step 6: Final answer
x = 6,068,380.25
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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.