Finding the Fourth Proportional to 7,440,234.17, 11,161,788.48 and 2,828,861.87
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Solution
The fourth proportional to 7,440,234.17, 11,161,788.48 and 2,828,861.87 is: 4,243,839.26
Step by Step Solution
- Step 1: Write the proportion equation
7,440,234.17 : 11,161,788.48 = 2,828,861.87 : x - Step 2: Convert to fraction form
7,440,234.17/11,161,788.48 = 2,828,861.87/x - Step 3: Cross multiply
7,440,234.17x = 11,161,788.48 × 2,828,861.87 - Step 4: Simplify right side
7,440,234.17x = 31,575,157,859,981.73 - Step 5: Solve for x
x = 31,575,157,859,981.73/7,440,234.17 - Step 6: Final answer
x = 4,243,839.26
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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.