Finding the Fourth Proportional to 5,357,877.22, 7,392,994.09 and 3,154,596.75
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Solution
The fourth proportional to 5,357,877.22, 7,392,994.09 and 3,154,596.75 is: 4,352,827.46
Step by Step Solution
- Step 1: Write the proportion equation
5,357,877.22 : 7,392,994.09 = 3,154,596.75 : x - Step 2: Convert to fraction form
5,357,877.22/7,392,994.09 = 3,154,596.75/x - Step 3: Cross multiply
5,357,877.22x = 7,392,994.09 × 3,154,596.75 - Step 4: Simplify right side
5,357,877.22x = 23,321,915,113,310.22 - Step 5: Solve for x
x = 23,321,915,113,310.22/5,357,877.22 - Step 6: Final answer
x = 4,352,827.46
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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.