Finding the Fourth Proportional to 7,401,828.60, 11,121,405.30 and 4,707,444.60
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Solution
The fourth proportional to 7,401,828.60, 11,121,405.30 and 4,707,444.60 is: 7,073,035.89
Step by Step Solution
- Step 1: Write the proportion equation
7,401,828.60 : 11,121,405.30 = 4,707,444.60 : x - Step 2: Convert to fraction form
7,401,828.60/11,121,405.30 = 4,707,444.60/x - Step 3: Cross multiply
7,401,828.60x = 11,121,405.30 × 4,707,444.60 - Step 4: Simplify right side
7,401,828.60x = 52,353,399,323,896.38 - Step 5: Solve for x
x = 52,353,399,323,896.38/7,401,828.60 - Step 6: Final answer
x = 7,073,035.89
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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.