Finding the Fourth Proportional to 6,805,299.40, 10,207,949.10 and 2,012,615.68
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Solution
The fourth proportional to 6,805,299.40, 10,207,949.10 and 2,012,615.68 is: 3,018,923.52
Step by Step Solution
- Step 1: Write the proportion equation
6,805,299.40 : 10,207,949.10 = 2,012,615.68 : x - Step 2: Convert to fraction form
6,805,299.40/10,207,949.10 = 2,012,615.68/x - Step 3: Cross multiply
6,805,299.40x = 10,207,949.10 × 2,012,615.68 - Step 4: Simplify right side
6,805,299.40x = 20,544,678,419,301.89 - Step 5: Solve for x
x = 20,544,678,419,301.89/6,805,299.40 - Step 6: Final answer
x = 3,018,923.52
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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.