Finding the Fourth Proportional to 6,303,663.12, 9,441,913.68 and 4,270,753.92
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Solution
The fourth proportional to 6,303,663.12, 9,441,913.68 and 4,270,753.92 is: 6,396,929.70
Step by Step Solution
- Step 1: Write the proportion equation
6,303,663.12 : 9,441,913.68 = 4,270,753.92 : x - Step 2: Convert to fraction form
6,303,663.12/9,441,913.68 = 4,270,753.92/x - Step 3: Cross multiply
6,303,663.12x = 9,441,913.68 × 4,270,753.92 - Step 4: Simplify right side
6,303,663.12x = 40,324,089,861,161.62 - Step 5: Solve for x
x = 40,324,089,861,161.62/6,303,663.12 - Step 6: Final answer
x = 6,396,929.70
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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.