Finding the Fourth Proportional to 5,212,299.42, 7,809,808.05 and 3,688,431.84
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Solution
The fourth proportional to 5,212,299.42, 7,809,808.05 and 3,688,431.84 is: 5,526,532.99
Step by Step Solution
- Step 1: Write the proportion equation
5,212,299.42 : 7,809,808.05 = 3,688,431.84 : x - Step 2: Convert to fraction form
5,212,299.42/7,809,808.05 = 3,688,431.84/x - Step 3: Cross multiply
5,212,299.42x = 7,809,808.05 × 3,688,431.84 - Step 4: Simplify right side
5,212,299.42x = 28,805,944,675,908.31 - Step 5: Solve for x
x = 28,805,944,675,908.31/5,212,299.42 - Step 6: Final answer
x = 5,526,532.99
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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.