Finding the Fourth Proportional to 7,280,983.17, 10,918,635.99 and 2,729,550.96
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Solution
The fourth proportional to 7,280,983.17, 10,918,635.99 and 2,729,550.96 is: 4,093,262.22
Step by Step Solution
- Step 1: Write the proportion equation
7,280,983.17 : 10,918,635.99 = 2,729,550.96 : x - Step 2: Convert to fraction form
7,280,983.17/10,918,635.99 = 2,729,550.96/x - Step 3: Cross multiply
7,280,983.17x = 10,918,635.99 × 2,729,550.96 - Step 4: Simplify right side
7,280,983.17x = 29,802,973,348,395.05 - Step 5: Solve for x
x = 29,802,973,348,395.05/7,280,983.17 - Step 6: Final answer
x = 4,093,262.22
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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.