Finding the Fourth Proportional to 5,618,220.48, 7,753,089.15 and 3,039,844.68
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Solution
The fourth proportional to 5,618,220.48, 7,753,089.15 and 3,039,844.68 is: 4,194,955.84
Step by Step Solution
- Step 1: Write the proportion equation
5,618,220.48 : 7,753,089.15 = 3,039,844.68 : x - Step 2: Convert to fraction form
5,618,220.48/7,753,089.15 = 3,039,844.68/x - Step 3: Cross multiply
5,618,220.48x = 7,753,089.15 × 3,039,844.68 - Step 4: Simplify right side
5,618,220.48x = 23,568,186,806,193.22 - Step 5: Solve for x
x = 23,568,186,806,193.22/5,618,220.48 - Step 6: Final answer
x = 4,194,955.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.