Finding the Fourth Proportional to 6,405,469.60, 9,594,207.60 and 4,974,296.80
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Solution
The fourth proportional to 6,405,469.60, 9,594,207.60 and 4,974,296.80 is: 7,450,575.70
Step by Step Solution
- Step 1: Write the proportion equation
6,405,469.60 : 9,594,207.60 = 4,974,296.80 : x - Step 2: Convert to fraction form
6,405,469.60/9,594,207.60 = 4,974,296.80/x - Step 3: Cross multiply
6,405,469.60x = 9,594,207.60 × 4,974,296.80 - Step 4: Simplify right side
6,405,469.60x = 47,724,436,163,215.68 - Step 5: Solve for x
x = 47,724,436,163,215.68/6,405,469.60 - Step 6: Final answer
x = 7,450,575.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.