Finding the Fourth Proportional to 5,787,829.80, 8,679,120.30 and 2,192,401.80
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Solution
The fourth proportional to 5,787,829.80, 8,679,120.30 and 2,192,401.80 is: 3,287,608.59
Step by Step Solution
- Step 1: Write the proportion equation
5,787,829.80 : 8,679,120.30 = 2,192,401.80 : x - Step 2: Convert to fraction form
5,787,829.80/8,679,120.30 = 2,192,401.80/x - Step 3: Cross multiply
5,787,829.80x = 8,679,120.30 × 2,192,401.80 - Step 4: Simplify right side
5,787,829.80x = 19,028,118,968,136.54 - Step 5: Solve for x
x = 19,028,118,968,136.54/5,787,829.80 - Step 6: Final answer
x = 3,287,608.59
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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.