Finding the Fourth Proportional to 4,096,864.80, 6,145,297.20 and 2,821,406.40
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Solution
The fourth proportional to 4,096,864.80, 6,145,297.20 and 2,821,406.40 is: 4,232,109.60
Step by Step Solution
- Step 1: Write the proportion equation
4,096,864.80 : 6,145,297.20 = 2,821,406.40 : x - Step 2: Convert to fraction form
4,096,864.80/6,145,297.20 = 2,821,406.40/x - Step 3: Cross multiply
4,096,864.80x = 6,145,297.20 × 2,821,406.40 - Step 4: Simplify right side
4,096,864.80x = 17,338,380,849,982.08 - Step 5: Solve for x
x = 17,338,380,849,982.08/4,096,864.80 - Step 6: Final answer
x = 4,232,109.60
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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.